ZINUS Metal Box Spring with Wood Slats /4 Inch Mattress Foundation/Sturdy Steel Structure/Easy Assembly, Twin
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Availability:
In Stock.
Arrives
Friday, Oct 30
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Color: Black
Size: Twin
Style: 4 Inch
Pattern Name: Box Spring Only
Features
- Steel Interior Frame With Wood Slats and a Knitted Polyester Cover
- A MATTRESS GAME-CHANGER - The Walter is built with all of the trusted support we put into our ever-so-popular platform beds, and this box spring has the total package - an unwavering steel structure, reliable, closely spaced wood slats and a cleverly developed, well, package
- DURABLY ENGINEERED - Durable steel and wood slats are used to construct the interior framework of this foundation; slats are spaced 2.5 - 2.9 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs
- LOW PROFILE DESIGN - A 4 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor
- THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door
- Worry-free 5 year limited warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately / Twin Size
Description
Chances are you’ve spent a long time picking out your ideal mattress. So why not put it on top of a foundation that will do it justice? The Metal Box Spring with wood slats is designed to steadily support your beloved mattress, be it spring, latex or memory foam. And with its proven solid steel structure and closely spaced wood slats, it’s a base you can sleep on with total confidence for the long haul. Created to fit in one package with everything you need and assembly that only takes a few steps to complete, this one is a slam-dunk in a box. Three different profile heights make it easy to choose the one that suits your setup, and its worry-free 5 year limited warranty means that we’ve got your back (literally and figuratively!).
Size: Twin
Material: Alloy Steel
Product Dimensions: 73.8"L x 38"W x 4"H
Style: 4 Inch
Special Feature: Sturdy
Other Special Features of the Product: Sturdy
Included Components: Foundation, Wood Slats, Cover
Brand Name: Zinus
Manufacturer: Zinus
Number of Packs: 1
UPC: 841550200393
Number of Items: 1
Global Trade Identification Number: 93
Manufacturer Warranty Description: Worry-free 5 year limited warranty included.
Item Type Name: Metal Box Spring with Wood Slats
Model Number: AZ-HBBS-4T
Manufacturer Part Number: AZ-HBBS-4T
Material Type: Alloy Steel
Product Care Instructions: No specific care instructions needed
Style Name: 4 Inch
Color: Black
Finish Types: Unfinished
Furniture Finish: Wood slats
Form Factor: Box Spring
Shape: Rectangular
Compatible With Mattress Size: Twin
Maximum Weight Recommendation: 350 pounds
Size: Twin
Item Dimensions L x W x H: 73.8"L x 38"W x 4"H
Item Weight: 31.6 pounds
Item Depth: 38 inches
Item Dimensions: 74 x 38 x 4 inches
Assembly Instructions Description: Assembly instructions are included with the product.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Oct 30
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Color: White
Size: Queen
Style: 7.5 Inch
Pattern Name: Box Spring Only
We transitioned from a box spring to this item. Our box springs was quite old and this item has been hands-down a huge improvement. I'm quite interested in whether the longevity over a decade or more exists but I would be willing to buy another one every 5-10 years if we had to because it is just such a solid product right now and works really well and was pretty fun to put together! Thanks to other reviewer's comments, I was anticipating the confusion on which way to put the cover on. Here's my attempt at clarifying the issue: The zipper surrounds the head AND foot and 1 "side" of the frame. It is understandable that people would assume the zipper should surround BOTH sides and either the head OR the foot but that just ain't so. Line it up properly along one side for success. The directions were super easy to follow; all the pieces' connections were numbered; all the screws were packaged nicely; the Velcro and staples to properly/evenly space the slats were an excellent idea; there was even a really handy tool included to install the screws quickly and easily! My #1 reason for replacing my box springs was to eliminate the constant squeaking sounds. Mission accomplished! Getting into bed or moving around no longer has a vast array of squeaking noises. It's funny the things you can get used to; I still keep expecting my bed frame to make its noises every time I sit down but it NEVER DOES now! There is a foam/rubber piece running down the entire length of the middle part of the frame adding additional sound dampening (I imagine). The sides and their Velcro attachments never wiggle nor make Velcro ripping sounds. This is working out great for supporting our considerably heavy memory foam mattress; I was a little bit concerned that the slats would be too far apart or the wood too weak for the heft and weight of the mattress + people but no problems so far. If it were easy to get the cover on and off, I would be doing so just to see how much movement getting in/out of bed and/or bouncing on it causes the wood slats to "give". But since the cover is on, I have no idea. Maybe in 2 years we'll break through one or more slats not realizing the stresses we were constantly placing upon them but I currently feel like that is unlikely. No creaking or other stress-related sounds so far! The cover looks nice if you aren't inclined to cover the cover. Hope you are able to enjoy it, too! * 2024-02-29 Update! No changes whatsoever. This product ROCKS!
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Reviewed in the United States on December 13, 2021 by p barker
Color: White
Size: Queen
Style: 4 Inch
Pattern Name: Box Spring Only
We really appreciated how easy this frame was to assemble. The directions were clear, and all of the pieces fit appropriately. The ratchet tool was included which was a nice surprise. The slats are connected to each other, and all you have to do is unroll them. The slats easily attach to the frame by Velcro. We like the cover that was included, and it seems thick and sturdy. I’m pleased that our top mattress is now four to five inches lower with this frame, and I don’t have to hop up to get in bed anymore. Overall, we are very happy with our purchase and can definitely recommend this frame.
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Reviewed in the United States on June 28, 2026 by K.L.
Color: White
Size: Queen
Style: 4 Inch
Pattern Name: Box Spring Only
I ordered this Zinus Metal Box Spring with Wood Slats to support a new hybrid mattress. The wood slats are wide and sturdy and provide more support for the mattress than the other model box springs with only 2 inch wide metal slats. The distance between the wood slats is about 3 inches so this meets various mattress manufacturer requirements. The box spring is 4 inches tall which is a plus because the bed will not be so high as most mattresses are now 14 inches or thicker. The construction is all metal (except for the wood that goes across). The entire thing is covered by the nice fabric cover that is white. Well worth the price. The product can be assembled in about 30 minutes and includes the tool necessary. Can be assembled by one person.
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Reviewed in the United States on July 15, 2026 by USABuyer
Color: White
Size: Queen
Style: 4 Inch
Pattern Name: Box Spring Only
Actually very impressed with this box spring. It's not your traditional box spring; I think it's actually considered a bed foundation. Anyway, I have this furniture set (on of those real wood sets with the glass detailing that everyone hates but I still obsess over) that I've held onto since I was in high school and for years, my custom-ordered foundation was wonderful untillll a few weeks ago when my movers snapped the steel frame (which is kind of funny). Anyway, I was looking for the exact same foundation when I found out that the one I had was custom ordered and the company is no longer in business (very fml moment). But, after some digging, and reading countless blogs about the best bed foundations (boring), I came across this brand. So, at like 2 am, I decided to just say eff it and order this one. And I'm honestly so glad I did. It's very similar to the one I had before with the steel frame and wood slats, which means I get great support, no sagging while holding up my HEAVY mattress, but also just a bit of flex so it doesn't feel like I'm sleeping on concrete. It's truly a wonderful nights sleep. The assembly was really straightforward (especially after disassembling my last one) and took maybe 5 minutes (but I tag teamed it with my boyfriend because tightening the bolts did take a minute). It also came with a little bold tightener thing that was such a NICE touch. The only thing that was not so great was that the frame was just a tad shorter than my mattress, so I ended up just placing it to where a bit of my mattress hangs off the end. It was also a bit small width-wise, so we had to kind of carefully place it in my actual bed frame.
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Reviewed in the United States on November 28, 2025 by LeeyaBeeya
Color: White
Size: Queen
Style: 9 Inch
Pattern Name: Box Spring Only
So so easy to put together !!! My husband didn’t even complain😘. It’s also super sturdy.
Reviewed in the United States on October 4, 2026 by Lisa Hankins
Color: White
Size: California King
Style: 9 Inch
Pattern Name: Box Spring Only
We needed a new Cal King boxspring for our guest room. I called around a few local mattress stores to get quotes on how much it would cost to get a Cal King boxspring set delivered. Most quoted $299-400. I was dreading the process because those boxsprings are huge and pretty cumbersome. Then once they were delivered, I'd have to lug it upstairs to our guest room. Then I decided to look into Amazon boxspring sets. I knew the new thing was metal boxsprings that come in a smaller box for assembly. There were a ton of options but I decided to go with a brand I'd heard of (Zinus). After reading the reviews of a few Zinus products, I decided on this one because the set up video looked very simple and the reviews made it sound like putting it together was a seamless process. Got the item delivered and was prompted a few times by Amazon that this product would need a confirmation code that had to be given to the driver/delivery person. I guess they require that for products that cost a little more. The item was delivered by two guys. I guess it's a heavier product and they take turns with driving and carrying heavier items. The delivery guy seemed to carry the Zinus box effortlessly and made it seem very light. I asked him, "Is it heavy?" and he said it was not. But when it was my turn to bring it in, it was definitely a lot heavier than I had anticipated. I think it's like 70-80 pounds? (Guess that shows you how strong those Amazon delivery guys are!) Set up was awesome. So easy. Everything was very well labeled and it was actually a fun process putting it together. The reviews made the boxspring cover seem like a hassle or problematic, but the cover that my Cal King boxspring came with only went over the top and sides (no bottom). I guess that might not be for everyone's liking, but for me, it was perfect. I have the boxspring directly on the carpet, so I didn't need the bottom side to be covered. Would definitely recommend this product to anyone who needs a boxspring that's less expensive than local mattress stores and easy to put together.
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Reviewed in the United States on May 10, 2024 by annettah
Color: White
Size: Full
Style: 4 Inch
Pattern Name: Box Spring Only
I'd buy this again and recommend it for the right circumstance. I bought this to use with an 8 inch memory foam mattress on a Delta/Simmons crib with full size bed conversion kit (it's annoying that the kit can't support a mattress on its own, but that's a separate issue). I wanted a low bed for my three year old to easily climb in. Assembly was very easy. The instructions had no words, but none were needed because all the parts were number coded. Fit end #1 into slot #1, etc. The metal parts fit VERY well and the bolt holes were perfectly aligned. There was even a hex key ratchet to make tightening of the hex bolts easier. The wood slats were in two sections with the wood stapled to velcro straps which attached them to the metal frame. You just unrolled them and made sure the velco straps were taut. The frame and slats seemed really sturdy to me. I sensed no issues when I sat or laid down on the bed. I completed assembly with no help in about 30 minutes without rushing. Getting the cover on was the most challenging part, actually, but it wasn't a big problem. Having a second person help with that part would make it really easy. The width fit very well into the bed frame--maybe half an inch of slack. There was about 1-2 inches of slack front to back, but that does not matter. It's probably better to have some slack than a tight fit. I liked that there are wood slats instead of a fully metal frame to potentially have some spring-like tension and "give" in the frame. Also, the distance between slats can be an issue for memory foam mattresses. This isn't a problem in this case, although the completely metal version of the frame may have too much spacing between slats for a foam mattress.
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Reviewed in the United States on June 11, 2021 by Sean from Ohio
Color: White
Size: Queen
Style: 4 Inch
Pattern Name: Box Spring Only
I can't say enough good things about this box spring. First, I had no idea that there *was* such a thing as non-standard box springs, and was pleasantly surprised to find so many options available. I went with this particular company because of the overwhelmingly positive reviews, and am happy to report those aren't just so much smoke being blown. From start to finish, this item was a) easy to put together, b) showcased quality construction, c) had great instructions, and d) included little touches that made me say "Why aren't more people doing this!?" Just as a couple of examples: they included a *ratcheting* hex wrench to make it easier to tighten a couple of the harder to reach screws (and it's a nice one that I plan to use whenever I get the chance). Also, the places where pieces need to match up (e.g. where the header and footer needed to attach to the side rails) had the same number on them. If the numbers match, you know everything is oriented the right way - brilliant! I've made a *LOT* of flat pack furniture in my day, and this was such a welcome "quality of life" move. I tested my bed out last night, and heard no creaking or squeaking (and I tend to toss and turn); if anything, my bed felt more solidly supported and comfortable with this box spring as a foundation. I would 100% purchase from this company again, and would recommend them highly to others.
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Reviewed in the United States on July 14, 2025 by Epic_Maus