Foldable Box Spring, Bunkie Board Full Size 54" x75'', 10MM Bed Support Board, Anti-Sag Mattress Support for Slatted Bed Frame, Bunk Bed & Platform Bed
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Availability:
Only 10 left in stock, order soon!
Arrives
Friday, May 15
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Size: Full Size 54"x75"
Features
- EFFECTIVE ANTI-SAG MATTRESS SUPPORT Our 10mm thick bunkie board provides a firm, flat, continuous base to bridge slat gaps and prevent mattress sagging. It delivers stable, even support to protect your mattress and improve sleep comfort.
- LIGHTWEIGHT OXFORD CLOTH AND HOLLOW BOARD Made with durable Oxford fabric cover and rigid 10mm hollow board core, this support is lightweight yet sturdy. It offers reliable structure without extra weight, bending, or creaking during daily use.
- ULTRA-THIN LOW PROFILE DESIGN Slim and low profile, this bunkie board adds almost no extra height to your bed. It fits neatly under your mattress without altering bed height or affecting fitted sheets.
- FOLDABLE AND SPACE-SAVING STRUCTURE Designed to fold compactly for easy storage and transport. Ideal for bunk beds, guest rooms, dorms, RVs, and small spaces where a full box spring is too large or heavy.
- TOOL-FREE QUICK INSTALLATION AND WIDE USE No tools or assembly needed. Just unfold and place under your mattress. Compatible with slatted frames, platform beds, bunk beds, and daybeds for stable, quiet, long-lasting support.
Size: Full Size 54"x75"
Material: Fabric and Hollow Board
Product Dimensions: 75"L x 54"W x 0.4"H
Style: Modern
Special Feature: Foldable
Other Special Features of the Product: Foldable
Brand Name: Xenohuaxis
Manufacturer: Xenohuaxis
Is Extendable: No
Unit Count: 1.0 Count
Material Type: Fabric and Hollow Board
Product Care Instructions: Wipe with Dry Cloth
Required Assembly: No
Assembly Instructions Description: No assembly required
Style Name: Modern
Color: Black
Form Factor: Foldable
Shape: Rectangular
Compatible With Mattress Size: Full
Storage Options: Folding
Size: Full Size 54"x75"
Item Dimensions L x W x H: 75"L x 54"W x 0.4"H
Item Dimensions: 75 x 54 x 0.4 inches
Item Depth: 0.39 inches
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, May 15
Yes, absolutely! You may return this product for a full refund within 90 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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Top Amazon Reviews
Size: King Size 76"x80"
For almost $100, this 'bunkie board' is perhaps a bit expensive, but if you need one, it's actually a very decent value. And, more to the point, it's perfect to keep your mattress up where you want it above the frame. The size is just right; I ordered the King size, and it measures right at the expected 76"x80" size and 1 cm (10 mm) thickness. This means it supports the whole mattress without sticking out from the frame, and it doesn't raise your mattress in the air noticeably at all. Despite this, thanks to the durable fabric and the encased hollow but very strong corrugated plastic plates, it makes for a very strong, unbending surface under your mattress. I even tried standing on the board without a mattress, and while I wouldn't recommend doing that for safety reasons, it's perfectly strong enough to support all my weight. It doesn't really need any assembly, you just unfold it on your bed frame, flatten it out to cover the whole surface, and put down your mattress. The cloth actually has a small zipper along each section, which lets you open it up and take out the hard plastic to wash both the fabric and the plastic. I couldn't find any washing instructions, but it should be fine to hand wash in cold water and air-dry. And because of how the sections work, you can fold it up quite compact! The only downside I can find about this is it's a little bit heavy. It's less heavy than it would be to cover your frame in wooden boards, but still, you'll need to use your strength any time you want to move the board around. It's definitely not ideal if you need a mobile platform for a bed you'll relocate frequently. * I only review things that I personally use myself and keep using often. * I always give my full, honest, unbiased and unfiltered opinion on everything I review. * I will not hold back or avoid describing any issues I have with a product. * I write exactly what I think about things - the good, the bad, and everything in between. * If I get multiple of something it's because I regularly use and need both of them. * And, I update my review if something breaks, stops working as intended, or otherwise doesn't hold up as expected.
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Reviewed in the United States on April 24, 2026 by Garrett Frost
Size: Queen Size 60"x80"
The media could not be loaded. I got this for a bed that dips in one particular spot, and I have only used one side of the bunkie board so far. Even with just partial use, I could tell it helped. My mattress is an older spring mattress, so I was not expecting a dramatic improvement, but it definitely gave that weak area more support. It's also stable and fits my box spring well. What stood out most to me was how sturdy these boards feel. They do not seem flimsy at all, and they feel like they can hold up well over time. It was also simple to put in place, which made this an easy upgrade without much hassle. For the improvement I got already, I think this is a very good value. I still need a little more support overall because of how old my mattress is, but this gave me enough improvement to feel like I can keep adjusting things and make the bed more comfortable. Pros • Very sturdy construction • Helped reduce dipping in a problem area • Easy to place under the mattress • Good value for the price • Lightweight and manageable • Useful for tweaking support where needed Cons • One side alone may not fully fix deeper sagging • An old mattress may still need additional support Bottom line This worked better than I expected, especially considering how worn my mattress is. It is a solid option for anyone dealing with mild to moderate sagging and wanting an affordable way to add support without replacing the whole bed setup.
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Reviewed in the United States on May 1, 2026 by LC
Size: Queen Size 60"x80"
I was looking for a transportable frame that would function not only for a standard mattress but also an inflatable mattress for camping/outings. This sets up in literally minutes and works well not only for traditional mattresses but also inflatable units. I really like how easy it is to setup and the durability is as good as a standard bed frame. The size was a perfect queen as needed both for my mattress inside the house as well as my inflatable queen for camping. This is a GAME CHANGER for those who want/need portability with durability. Highly recommended!
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Reviewed in the United States on May 5, 2026 by DM FL
Size: King Size 76"x80"
I hated how high my bed felt with a box spring, mattress, and topper stacked together. Getting in felt like a rerun of The Princess and The Pea. This solved that problem immediately. I removed the box spring and placed this directly on the bed frame, and it supported my king size mattress without any issues. It fits well, with no sagging or shifting, and it sits neatly within the frame so the mattress looks almost recessed. The feel of the bed did change slightly. Without the give of a box spring, it’s a bit firmer, but still comfortable. Support feels consistent across the entire bed. One thing that surprised me was the construction. From the listing, I expected a black, foam-like material similar to a yoga mat, with hard plastic between. Instead, the black exterior is actually a zippered canvas cover. Inside are single rigid, thick gray panels that resemble heavy duty cardboard or plastic board. It’s a simple design, but it’s strong and gets the job done. The only concern is airflow. Because the panels are solid, there’s less ventilation under the mattress compared to slats or a box spring. For now, it works well, but I may look for a longer term solution that allows better airflow to help prevent moisture buildup over time.
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Reviewed in the United States on April 29, 2026 by Taylor