King Size 76x80'' Folding Spring Box,Bunkie Board 10MM, Light and Thin, Breathable,Moisture Resistant Bunkieboards
Condition: New
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Availability:
Only 5 left in stock, order soon!
Arrives
Monday, Oct 19
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Features
- Sofa bed new experience:Older sofa beds are supported by bottom springs and fabrics, and you can feel the discomfort and lack of support from the back springs while sleeping.Sofa bed support boards can be a good solution to this problem! Simply place it on top of the sofa bed to solve the problem of sagging and springs due to insufficient support and improve the quality of sleep.
- NEW FABRIC : The support board is made of 600D Oxford cloth covered with bumps silicone particles, the silicone particles can effectively prevent sliding.
- SUPER HARD AND INCREASED THICKNESS:The support plate is made of 10mm medium density groove board, thick enough to support three adults' weight easily.
- Zipper design and WASHABLE HOUSING: The support plate housing is designed with a zipper.In case of stains, You can open the zipper to remove the groove board. The housing is washed and dried
- Undermattress support is ideal for children's beds, bunk beds, sleeping sofa mattresses, pull-out beds, sofa beds or beds with support Flat noodles
Description
1
Size: King Size 76x80''
Special Feature: Zipper design for easy cleaning, Sofa bed support boards for enhanced comfort
Color: Black
Finish Type: Painted
Included Components: Includes 1 leaf
Other Special Features of the Product: Zipper design for easy cleaning, Sofa bed support boards for enhanced comfort
Included Components: Includes 1 leaf
Brand Name: Yarfyk
Unit Count: 1 Count
Manufacturer: Yarfyk
Number of Packs: 1
Number of Items: 2
Set Name: King Size
Color: Black
Finish Types: Painted
Furniture Finish: Black
Form Factor: Flat
Shape: Rectangular
Compatible With Mattress Size: King
Size: King Size 76x80''
Item Depth: 10mm
Item Dimensions: 80 x 76 x 1 inches
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Oct 19
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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Top Amazon Reviews
Size: King Size 76x80''
This is hands down the PERFECT option for non box spring bed frame. It fit my king bed frame with precision! Infinitely better the ugly plywood which would probably cost nearly the same these days. None slip beaded to keep thing in check and super easy to install.
Reviewed in the United States on August 13, 2026 by Eddie
Size: King Size 76x80''
It's worth it 👌 I sleep better, just get one.
Reviewed in the United States on September 2, 2026 by Tanya Holt
Size: King Size 76x80''
I wish I would have bought one of these long ago. We have had several beds that didn't require a box spring, so we skipped it. Our new Amazon mattress was a good deal and fairly comfortable and didn't have a box spring. Our bed seemed to sag into the slats a little bit and we recently met someone who said they bought a big box spring to fix their sagging mattress. I thought about just buying plywood to put under my mattress instead of purchasing a box spring. I was then thinking about one of the low profile metal box springs they sell on Amazon until I came across this bunkie board; I have never heard of these. I bought this one based on reviews and I'm happy I did. It's not as bulky and heavy as plywood and it was delivered in manageable sections. This is basically similar to a thick, breathable cardboard type material that is housed inside nylon with air holes. Our bed is more comfortable and slightly firmer now. I would highly recommend this to a friend. Just fyi, this item has 2 sections and each one lays sideways under the mattress. Update: after using this under our mattress for 2 weeks I can say that I love it. Our bed is slightly firmer than it was and just has more stability when kneeling on the sides (edges), etc. This is really one of the best things you can buy for improving your sleep if you have been going with a mattress only without a box spring.
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Reviewed in the United States on January 12, 2026 by Jennifer P
Size: King Size 76x80''
These are not the size of the bed, purchased a king size and they were too short.
Reviewed in the United States on January 11, 2026 by Frances
Size: King Size 76x80''
While most people use this as support for a sofa bed, we actually found a great alternative use for it , we let our daughter use it as a tumbling mat, and it worked perfectly! The board is very sturdy and supportive, with a thick, solid feel that doesn’t sag or bend. The 10mm high-density board provides excellent stability, making it feel safe and secure for kids’ activities. The 600D Oxford fabric with silicone grip bumps helps keep it from sliding around, which gave us extra peace of mind. I also love the zipper design with a washable cover. Kids and messes go hand in hand, so being able to remove and wash the cover is a huge plus. Although it’s designed to fix sagging sofa beds and improve sleep comfort, this turned out to be a versatile, multi-purpose product in our home. Whether for added bed support or creative kid-friendly use, it’s strong, practical, and well made.
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Reviewed in the United States on January 14, 2026 by MMO
Size: King Size 76x80''
I've got a set of box springs that have a few broken boards, and don't provide the support they used to. These added on top of those did a great job of strengthening the surface, and provide much better support for my mattress. They fit my king size very nicely, and stay in place, keeping the mattress from sliding too easily. These are a great added layer to strengthen and make a bed more comfortable. They're not cheap, but they bring the kind of quality that makes them a great value for what their purpose is.
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Reviewed in the United States on January 3, 2026 by M. Balliet
Size: King Size 76x80''
This king size folding spring box bunkie board is very convenient and easy to handle. The 10mm design is thin yet supportive, and it feels breathable and moisture resistant, which is great for keeping the mattress fresh. I appreciate how lightweight it is, making setup and adjustments simple. It works well for bunk beds or low-profile bed frames. Overall, it’s a practical and functional solution for added mattress support.
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Reviewed in the United States on December 26, 2025 by Edna
Size: King Size 76x80''
This folding board is a great replacement for the outdated boxspring. It seems to work just as good and it is much easier to move and set up. Due to the light weight of this product compared to the older boxspring it’s a breeze. It has a nonslip material to keep your mattress from sliding off. The larger solid sections help to give it better support with a good fit.
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Reviewed in the United States on February 12, 2026 by J