Your feedback helps us make Walmart shopping better for millions of customers. what a perfect product!! Good news — You can still get free 2-day shipping, free pickup, & more. Only took 1 day. 00 $89.00 $ 89. Full. No words...just pictures. Only 10 left in stock - order soon. This innovative box spring is designed to easily fold up for convenient storage and transport when not in use. Twin shipping dimensions: 41.3" x 11.2" x 6.1"; 27.64 lbs. Putting box spring together was simple. Proof of purchase is required. 10/10 would recommend! Queen: 79.00 x 59.50 x 5.00 Inches. Returns Policy. Spring Mainstays 5" Easy Assembly Smart Box (Full) Brand: Spring. Setting up is so easy it's silly! Spring Mainstays 5" Easy Assembly Smart Box (King): Amazon.in: Home & Kitchen. It came broken like most the other reviews WALMART. Alwyn Home. and done. Account & Lists Account Returns & Orders. Spring Mainstays 5" Easy Assembly Smart Box (California King): Amazon.ca: Home & Kitchen. It was great not needing hubby or any tools for once! If I can have a redo, I wouldn't get it. Looking for a box spring for your bed? total weight capacity, Full, Queen, King, and California King can support up to 1200 lbs. Im sure its suppose to fit snug. Instructions are easy to understand. Skip to main content.in. Sturdy Support for any Mattress . No problem. Get specific details about this product from customers who own it. I did find it a little tough to stretch the cover over the box spring once assembled but it did fit. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom. Twin XL shipping dimensions: 42.1" x 10.8" x 6.1"; 28.13 lbs. Even the cover has a nice tag of "TOP" and the other side "BOTTOM". Add-on services (0 Selected) Show Less. Never a problem. total weight capacity. … I'm so happy with my purchase it was easy and worth it. Walmart Protection Plans cover the total cost of repair, or replacement, for products, as well as covering delivery charges for the exchange. Returns Policy. Great buy!!! Twin-XL. Spring Mainstays 5" Easy Assembly Smart Box (Twin) 4.6 out of 5 stars 51. This innovative box spring is designed to easily fold up for convenient storage and transport when not in use. Select Option. Only getting two stars cause it was easy to put together and works for a box spring, but paying $120 for something broken is a joke!!! 9 options from $160.99 . I never write reviews but this was pretty sweet i couldn't pass up not letting others know esp because i did read reviews before purchasing this time. King dimensions: 79" x 75.5" x 5"; 44.58 lbs. No complaints. I didn't know what to expect because I've seen a metal box spring before. Once I test it hopefully I can give another review. •Mainstays 5" White Jacquard Smart Box Spring •Sets up easily in seconds This warranty gives you specific legal rights and you may also have other rights which vary from state to state. Took less than 10 minutes to setup. Best Price Mattress. Not sold online Available online Out of stock online. Walmart # 576281081 . Prime Cart. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom.

, Mainstays 5" Easy Assembly Smart Box Spring, Mainstays 9" Easy Assembly Smart Box Spring, Twin, Mainstays 9" Easy Assembly Smart Box Spring, What others said when purchasing this item, Pop-up, easy to assemble, best for small stairs, If you would like to share feedback with us about pricing, delivery or other customer service issues, please contact. total weight capacity. One day i got bored loaded it upstairs and read how simple the directions was and did within 15 minutes !!!! June 2020 Resources. No complaints. $104.34 . 356 comments. I stay clear. Shipped much quicker than expected. Activate to move to this slide, Send me an email when my question is answered, You cannot attach a head board to this box spring, you would have to purchase a bed frame and attach the headboard to frame and then place this box spring on top of bed frame. Our king bed previously had two wood box springs side by side. $89.99. King shipping dimensions: 78.5" x 11.2" x 6.1"; 50.42 lbs. Twin XL dimensions: 79" x 38" x 5"; 24.43 lbs. Setting up is so easy it's silly! Never a problem. Inspirational Home Improvements with Better Homes & Gardens at Walmart . Alwyn Home. Like the cover that comes with it. AMAZON. Only getting two stars cause it was easy to put together and works for a box spring, but paying $120 for something broken is a joke!!! Walmart Protection Plan options and pricing can be found on the product page, as well as in your cart. Twin-XL. Please enable JavaScript in your browser and reload the page. A Walmart Protection Plan can be added within 30 days of purchase. Inno-Sports Co., Ltd, slide 2 of 2, In the event that you have assembly questions, or parts are missing or damaged, please let us know before you decide to return your product to the store. Size: Full Twin. Fool proof! Set yourself up for a great night's sleep with the Mainstays 5" White Jacquard Smart Box Spring. Your email address will never be sold or distributed to a third party for any reason. I did it myself late one evening in a short amount of time. Great box spring. Twin-XL. To ensure we are able to help you as best we can, please include your reference number: Easily folds up for storage and transport, An innovative design allows the box spring to easily fold up for storage and transport when not in use, Provides ultra-sturdy support for any innerspring, memory foam, or combination mattress, Constructed with a durable powder coated steel frame for a long life of reliable use, Available in Twin, Twin XL, Full, Queen, King, and California King sizes, Twin and Twin XL can support up to 600 lbs. I have nothing against China, but after 40 products bought from there that turned out to be useless, extreme poor quality etc. AMAZON. This is a single piece unit and would fall off the bed frame to the floor if you sat on the mattress. Adds a lot of height. King shipping dimensions: 78.5" x 11.2" x 6.1"; 50.42 lbs. Price Price. Not sold online Available online Out of stock online. Queen dimensions: 79" x 59.5" x 5"; 37.4 lbs. This button opens a dialog that displays additional images for this product with the option to zoom in or out. Add to list . Electrode, Comp-682feca0-5672-4fb5-9cd5-6c965b7f3e36, DC-scus-prod-a13, ENV-prod-a, PROF-PROD, VER-20.0.40, SHA-41ed8468826085770503056bd2c9bc8be5b55386, CID-17b756dd-007-176333c85e5230, Generated: Sat, 05 Dec 2020 14:09:33 GMT, Electrode, Comp-f5f1bfb7-23d1-40f3-9735-978f8808f59a, DC-scus-prod-a2, ENV-prod-a, PROF-PROD, VER-37.11.1, SHA-b53f0ee28d9e64532a24424f4dbf15832400b102, CID-ea85a5fa-007-17633482f8a666, Generated: Sat, 05 Dec 2020 14:22:17 GMT, Error: Please enter a valid ZIP code or city and state. Easy to assemble. ComRep. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom. perfect for moving up and down stairs in our compact apartment with the easy fold up. Offers the look and functionality of a traditional box spring but made from steel providing ultra-sturdy support for any innerspring, memory foam or combination mattress, features a 100% polyester jacquard covering that prevents shifting and is machine washable. what a perfect product!! I have nothing against China, but after 40 products bought from there that turned out to be useless, extreme poor quality etc. Twin dimensions: 74" x 38" x 5"; 23.83 lbs. WALMART . Fool proof! Im not sure if its in the description or not that is needs to be assembled. favorite_border. Good zipper. Go to. Took less than 10 minutes to setup. It was great not needing hubby or any tools for once! Really easy to set up. The 2-in-1 Foundation/Bed is the perfect box spring. Skip to main content.in Hello, Sign in. to see all the coverage offered for each product. $93.92 . $103.08 . So happy I did not see this product was made in China otherwise I would not have bought it. Which it should. Only 5 steps needed. Shop with confidence on eBay! Already purchased your product? Prime. Not sold in stores . Description ... Mainstays 5" Easy Assembly Smart Box $81. This bed frame however, is EXCELLENT! No problem. Your feedback helps us make Walmart shopping better for millions of customers. Wrong!!! California King. I love this box spring. Add to list . Mainstays 5" Washable Low Profile Steel Box Spring, King: Not happy with a purchase? No words...just pictures. $80.31 . The cover is quite nice. Mainstays 5" Easy Assembly Smart Box Spring, King Walmart USA $ 119.99. Only took me 15 minutes. to see all the coverage offered for each product. AMAZON . Full . Restrictions apply. Our product is designed and manufactured to meet the highest quality standards. Manufacturers, I never write reviews but this was pretty sweet i couldn't pass up not letting others know esp because i did read reviews before purchasing this time. Mainstays 5" Easy Assembly Smart Box Spring, Multiple Sizes. Master Suite Investments for the New Year. It's light weight and the good thing about this box spring if you ever have to move, it's easy to take apart and fold than put back together with no hassle.Now I'm just waiting on my bedroom set to come it was a delay but I'm praying that it fit on the bed frame with no problem. Price Price. suppliers and others provide what you see here, Most items come with a limited manufacturer’s warranty. Please enable JavaScript in your browser and reload the page. Add to registry Mainstays 9" Easy Assembly Smart Box Spring, Multiple Sizes. Only took 1 day. We’re having technical issues, but we’ll be back in a flash. I really need this as I just moved and I don't have a way to return it or I would! Im sure its suppose to fit snug. Skip to main content.ca Hello, Sign in. Qty: Add to cart. I have a very bad back and this frame was no issue to move and place on bed. Please take a minute to review our Privacy Policy. New (never used) New in box Mainstays 9" Easy Assembly Smart Box Spring, Twin-XL Free shipping, no order min. King. Zinus Walter 9 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Wood & Metal Structure / High Profile / Easy Assembly, Twin 4.6 out of 5 stars 6,267. Walmart Protection Plans cover the total cost of repair, or replacement, for products, as well as covering delivery charges for the exchange. Your email address will never be sold or distributed to a third party for any reason. It looks like a really nice box spring when on the bed. Twin XL Metal Smart Box Spring with Easy Assembly The Home Depot- Decor $ 118.68. Read honest and unbiased product reviews from our users. 7.5" Box Spring Alwyn Home Wayfair North America $ 143.99. Miscellaneous Mainstays 14" High Profile Foldable Steel $79. Sorry, this webpage requires JavaScript to function correctly. It took me 10 minutes to put together probably less. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom. Mainstays 9" Easy Assembly Smart Box Spring, Full. Go to. Our king bed previously had two wood box springs side by side. I did it myself late one evening in a short amount of time. The manufacturer is not responsible for incidental or consequential damages. and done. Only 5 steps needed. Spring Mainstays 5" Easy Assembly Smart Box (King): Amazon.ca: Home & Kitchen. Which it should. Home & Kitchen Hello, Sign in. Everything tightly clicks in and zips up. NEW! Manufacturers, Go to, Limited Five (5) Year Warranty, Warranty available to original purchaser only. Modern Sleep Hercules Instant Folding High Profile 7.5" Box Spring, King Walmart USA $ 140.00. This innovative box spring is designed to easily fold up for convenient storage and transport when not in use. If I can do it, anyone can. Even the cover has a nice tag of "TOP" and the other side "BOTTOM". WE HAVE MORE BED-FRAMES IF INTERESTED !!! WALMART. And, most purchases can be returned for free. Sturdy Support for any Mattress . Wrong!!! Let's Do Brunch…Virtually with Better Homes & Gardens at Walmart. Not sold online Available online Out of stock online. Already purchased your product? CJ. I stay clear. Sets up easily in seconds An innovative design allows the box spring to easily fold up for storage and transport when not in use Provides ultra-sturdy support for … New (never used), Mainstays 5" Easy Assembly Smart Box Spring, King BRAND NEW IN BOX !!! slide the slats in place on top, put your cover on. CONNEXITY. There is a loading weight capacity of 1200 lbs. you just simply fold out the big outer walls, add the middle support that slides in place. When completed, box spring is sturdy. The addition of a Walmart Protection Plan adds extra protection from the date of purchase. If I can do it, anyone can. OVER $120 ONLINE!!! Learn more about our Returns Policy. $162.04 . 10/10 would recommend! Please take a minute to review our Privacy Policy. Electrode, Comp-7710f3e0-5c50-403c-a0cb-8ff209935840, DC-eus2-prod-a9, ENV-prod-a, PROF-PROD, VER-20.0.40, SHA-41ed8468826085770503056bd2c9bc8be5b55386, CID-9a4acdb5-007-1763344a4b838d, Generated: Sat, 05 Dec 2020 14:18:25 GMT, Electrode, Comp-4887353f-f475-49b4-a9ab-d2a4bac6e4ba, DC-eus2-prod-a3, ENV-prod-a, PROF-PROD, VER-37.11.1, SHA-b53f0ee28d9e64532a24424f4dbf15832400b102, CID-cd9d9b22-007-1763348340a536, Generated: Sat, 05 Dec 2020 14:22:18 GMT, Error: Please enter a valid ZIP code or city and state. Good news — You can still get free 2-day shipping, free pickup, & more. Select Option. Great buy!!! I love this box spring. $89.00 $ 89. Bed Size. favorite_border. Modern Sleep Hercules Instant Folding High Profile 7.5" Box Spring, Twin Walmart USA. Prime Cart. Once I test it hopefully I can give another review. King. Instructions are easy to understand. Highly recommend and worth the price out of sheer durability and easy. In the event that you have assembly questions, or parts are missing or damaged, please let us know before you decide to return your product to the store. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom. 00. Does not seem cheap at all with materials used. I just can't wait to test it out. Walmart Protection Plans cover the total cost of repair, or replacement, for products, as well as covering delivery charges for the exchange. Spring Mainstays 5" Easy Assembly Smart Box (Twin-XL): Amazon.in: Home & Kitchen. GREAT DEAL !!! Obsessing Over. $164.00 . Modern Sleep. Current selection is: California King, Available Options: Walmart Protection Plan, Expert Help, Spa Sensations by Zinus 9" Standing Metal Smart Box Spring in Gray and Brown, Twin,

Set yourself up for a great night's sleep with the Mainstays 5" White Jacquard Smart Box Spring. It is lightweight, yet very solid and strong. Best Price 7.5" New Steel Box Spring/Mattress Foundation, Twin Amazon $ 117.99. Size: King Twin. This warranty gives you specific legal rights and you may also have other rights which vary from state to state. This is a single piece unit and would fall off the bed frame to the floor if you sat on the mattress. Inno-Sports Co., Ltd, slide 2 of 2, The defects include circumstances where the frame is broken under normal use and no longer performs its function. Twin. Everything tightly clicks in and zips up. Try. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom.

, Mainstays 5" Easy Assembly Smart Box Spring, Mainstays 9" Easy Assembly Smart Box Spring, Twin, Mainstays 9" Easy Assembly Smart Box Spring, What others said when purchasing this item, Pop-up, easy to assemble, best for small stairs, If you would like to share feedback with us about pricing, delivery or other customer service issues, please contact. So happy I did not see this product was made in China otherwise I would not have bought it. Adds a lot of height. Select Option. Spring Mainstays 9" Easy Assembly Smart Box (King) Brand: Spring. It comes in two sizes: king and queen. Mainstays 5" Easy Assembly Smart Box Spring, King * In-store Purchase Only $81 UPC: 190517213892. California King dimensions: 83" x 71" x 5"; 43.63 lbs. I didn't know what to expect because I've seen a metal box spring before. This doesnt come in one piece! Alwyn Home. One day i got bored loaded it upstairs and read how simple the directions was and did within 15 minutes !!!! Sorry, this webpage requires JavaScript to function correctly. My advice is to make sure you have enough space when putting it together. Queen dimensions: 79" x 59.5" x 5"; 37.4 lbs. Please contact customer service directly at: Email: CustomerService@gesin-cn.com Service Hours: Central Standard Time Monday - Friday: 9:00am - 4:00pm 1-800-681-0084 Thank you for purchasing our products. Super sturdy, and really great price! Skip to main content.ca Hello, Sign in. Good zipper. Well i had to get a new box spring because my previous one would not fit up the steps in my new construction home because of the angling So when it arrived i took it out the box and literally left it in my living room for two weeks because i thought i needed someone to help me put it together. Offers the look and functionality of a traditional box spring but made from steel providing ultra-sturdy support for any innerspring, memory foam or combination mattress, features a 100% polyester jacquard covering that prevents shifting and is machine washable. Spring Mainstays 5" Easy Assembly Smart Box (Queen): Amazon.co.uk: Kitchen & Home Select Your Cookie Preferences We use cookies and similar tools to enhance your shopping experience, to provide our services, understand how customers use our services so … Queen. Either way, it was better it wasnt one large piece. This was so easy to put together. There is a loading weight capacity of 1200 lbs. Walmart Protection Plan options and pricing can be found on the product page, as well as in your cart. Home & Kitchen . The manufacturer is not responsible for incidental or consequential damages. Average Rating: (4.6) stars out of 5 stars 1474 ratings, based on 1474 reviews. I have a very bad back and this frame was no issue to move and place on bed. Twin XL shipping dimensions: 42.1" x 10.8" x 6.1"; 28.13 lbs. It is lightweight, yet very solid and strong. Mainstays 5" Easy Assembly Smart Box Spring, Multiple Sizes. ComRep. Never fuss with your mattress moving out of place with the coverlet’s non-slip surface, providing sturdy support and comfort while you sleep. Only took me 15 minutes. Most items come with a limited manufacturer’s warranty. perfect for moving up and down stairs in our compact apartment with the easy fold up. Ships in the manufacturer's original packaging, which may reveal the contents. Well i had to get a new box spring because my previous one would not fit up the steps in my new construction home because of the angling So when it arrived i took it out the box and literally left it in my living room for two weeks because i thought i needed someone to help me put it together. Walmart Protection Plan options and pricing can be found on the product page, as well as in your cart. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom. You can view your Walmart Protection Plan after your purchase in the Walmart Protection Plan Hub. Walmart Protection Plan options and pricing can be found on the product page, as well as in your cart. We aim to show you accurate product information. AmazonBasics Mattress Foundation, Smart Box Spring, Tool-Free Easy Assembly … $169.00 . Mainstays 5" Easy Assembly Smart Box Spring, Queen Walmart USA $ 114.99. Oven Toy, Baking Star $34.97. When completed, box spring is sturdy. Price Price. Twin dimensions: 74" x 38" x 5"; 23.83 lbs. Available from these sellers. Very pleased with my purchase. Mainstays 5" Easy Assembly Smart Box Spring, California King Walmart USA $ 127.50. 50" x 60" 1 Review. and we have not verified it. Price Price. This warranty is your sole remedy for product defects only and does not cover damage due to mishandling, misuse, or abuse. AmazonBasics. and we have not verified it. Im not sure if its in the description or not that is needs to be assembled. total weight capacity, Full, Queen, King, and California King can support up to 1200 lbs. Try. It took me 10 minutes to put together probably less. Super sturdy, and really great price! EASY ASSEMBLY!!! Mainstays 5.00" Storage Low Profile Steel Jacquard Innerspring Mattresses, California King : Not happy with a purchase? Thank you Highly recommend and worth the price out of sheer durability and easy. favorite_border. CJ. Queen. We’re having technical issues, but we’ll be back in a flash. Please contact customer service directly at: Email: CustomerService@gesin-cn.com Service Hours: Central Standard Time Monday - Friday: 9:00am - 4:00pm 1-800-681-0084 Thank you for purchasing our products. Like the cover that comes with it. This innovative box spring is designed to easily fold up for convenient storage and transport when not in use. This was so easy to put together. 683 Reviews. Really easy to set up. I just can't wait to test it out. Zinus. suppliers and others provide what you see here, Activate to move to this slide, Send me an email when my question is answered, You cannot attach a head board to this box spring, you would have to purchase a bed frame and attach the headboard to frame and then place this box spring on top of bed frame. Walmart Protection Plans cover the total cost of repair, or replacement, for products, as well as covering delivery charges for the exchange. Full shipping dimensions: 56.3" x 11.2" x 6.1"; 38.8 lbs. we got the queen. Thank you The addition of a Walmart Protection Plan adds extra protection from the date of purchase. Shipped much quicker than expected. Miscellaneous Mainstays Upholstered. Set yourself up for a great night's sleep with the Mainstays 5" White Jacquard Smart Box Spring. A Walmart Protection Plan can be added within 30 days of purchase. I didnt even need the directions it was so simple and self explanatory. Account & Lists Returns & Orders. Here at Walmart.com, we are committed to protecting your privacy. Prime Cart. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom. Most items come with a limited manufacturer’s warranty. This button opens a dialog that displays additional images for this product with the option to zoom in or out. We aim to show you accurate product information. This warranty is your sole remedy for product defects only and does not cover damage due to mishandling, misuse, or abuse. For this reason Ive been able to recommend it to other people with small or narrow stair cases. Current selection is: Full. Here at Walmart.com, we are committed to protecting your privacy. This innovative box spring is designed to easily fold up for convenient storage and transport when not in use. This innovative box spring is designed to easily fold up for convenient storage and transport when not in use. Get specific details about this product from customers who own it. If I can have a redo, I wouldn't get it. Spring into Action With Better Homes & Gardens at Walmart. not many pieces you have to put together and no screwdriver needed! This innovative box spring is designed to easily fold up for convenient storage and transport when not in use. Very pleased with my purchase. Electrode, Comp-a2d27991-f9b1-48d7-a0fe-2426eb5d71f0, DC-eus2-prod-a9, ENV-prod-a, PROF-PROD, VER-20.0.40, SHA-41ed8468826085770503056bd2c9bc8be5b55386, CID-054f6224-007-1763338d0345f8, Generated: Sat, 05 Dec 2020 14:05:30 GMT, Bed Size. Only 2 left in stock (more on the way). $141.84 . Putting box spring together was simple. PRICED AT $100 DELIVERY AVAILABLE $!$!$! My queen size mattress fit perfectly on it. Go to, Limited Five (5) Year Warranty, Warranty available to original purchaser only. My advice is to make sure you have enough space when putting it together. King. Most items come with a limited manufacturer’s warranty. This doesnt come in one piece! I'm so happy with my purchase it was easy and worth it. CJ. Full. 4.6 out of 5 stars 64 ratings. Add to registry MAINSTAYS Micro Fleece Throw. Modern Sleep. To ensure we are able to help you as best we can, please include your reference number: Easily folds up for storage and transport, An innovative design allows the box spring to easily fold up for storage and transport when not in use, Provides ultra-sturdy support for any innerspring, memory foam, or combination mattress, Constructed with a durable powder coated steel frame for a long life of reliable use, Available in Twin, Twin XL, Full, Queen, King, and California King sizes, Twin and Twin XL can support up to 600 lbs. Proof of purchase is required. Not sure what the tag means by "non-removable". Offers the look and functionality of a traditional box spring but made from steel providing ultra-sturdy support for any innerspring, memory foam or combination mattress, features a 100% polyester jacquard covering that prevents shifting and is machine washable. It came broken like most the other reviews on sale for $74.99 original price $117.70 $ 74.99 $117.70. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom. It is very easy to put on and take off. Current selection is: King, Available Options: Walmart Protection Plan, Expert Help, Modern Sleep 14" Cool Gel Memory Foam Mattress with BONUS 2 Pillows, Queen,

Set yourself up for a great night's sleep with the Mainstays 5" White Jacquard Smart Box Spring. 7.5" Box Spring Alwyn Home Size: Full Wayfair North America $ 190.99. Mainstays 7.5″ Half-Fold Metal Box Spring in Black Steel offers a modern and more durable solution to conventional wood and spring box springs, providing a naturally sanitary structure that is mold, and even bed bug resistant. Mainstays. The addition of a Walmart Protection Plan adds extra protection from the date of purchase. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom. you just simply fold out the big outer walls, add the middle support that slides in place. King dimensions: 79" x 75.5" x 5"; 44.58 lbs. Full shipping dimensions: 56.3" x 11.2" x 6.1"; 38.8 lbs. Either way, it was better it wasnt one large piece. Easiest thing i have ever put together! $116.44 . Zinus Armita 7 in. not many pieces you have to put together and no screwdriver needed! It looks like a really nice box spring when on the bed. California King shipping dimensions: 74" x 11.2" x 6.1"; 48.6 lbs. The Mainstays 5" White Jacquard Smart Box Spring sets up in seconds with no tools required and is available in Twin, Twin XL, Full, Queen, King, and California King sizes to create the perfect sleeping platform in any bedroom.