4.9 Based on 472 Reviews
BetterBunkie Endure - Low Profile Box Spring Replacement
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$109.99
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SIZED TO DROP INSIDE YOUR FRAME — Precision-cut to fit inside bed frames with inner support ledges, ...
Premium quality materials built to last
Easy setup with no tools required
Backed by our 30-day satisfaction guarantee
Size: Twin (37.3x74.3'')
Size chartEst. delivery to 90210 by Fri, 10 Apr
Free Shipping on all orders
30-Day Returns
US-Based Customer Support
Make Your Sofa Bed Feel Like a Real Mattress
No More Metal Bars
Sleep on a smooth, even surface with full coverage that blocks steel bars from end to end.
Firmer, More Supportive Sleep
Our board spreads your weight evenly to eliminate sagging, dips, and soft spots.
Longer Furniture Life
Less stress on your mattress and frame means a longer-lasting sofa bed.
Always Installed, Always Ready
Leave it in place and fold it away with your sofa bed—comfort is there whenever you need it.
SleepSaver Features
Full-Length Coverage
Covers the entire canvas and support bar area of the sofa bed.
Permanently Installed Design
Durable Plywood Core
Anti-Slip Attachment
Fabric Top Layer
Over XX,XXX+ 5-Star Reviews
But Don't Take Our Word For It
Join over 500,000 customers who have restored their comfort.
Just what we needed
Super easy to set up. Great to have a firmer couch with out the awkward boards we had before. Requires a bit more strength to open the sofa bed but worth it! Would recommend!
Steven V.
Boston, MA
Just what we needed
I wasn't sure it would work, but this was a heavenly answer. Our camper's queen hideaway had bars and dips everywhere, and this gave full, comfortable support right away. It fit the frame, folded up perfectly, and I slept great all night — I highly recommend it.
Victor M.
United States
Just what we needed
Super easy to set up. Great to have a firmer couch with out the awkward boards we had before. Requires a bit more strength to open the sofa bed but worth it! Would recommend!
Steven V.
Boston, MA
Just what we needed
Super easy to set up. Great to have a firmer couch with out the awkward boards we had before. Requires a bit more strength to open the sofa bed but worth it! Would recommend!
Steven V.
Boston, MA
Just what we needed
I wasn't sure it would work, but this was a heavenly answer. Our camper's queen hideaway had bars and dips everywhere, and this gave full, comfortable support right away. It fit the frame, folded up perfectly, and I slept great all night — I highly recommend it.
Victor M.
United States
Just what we needed
Super easy to set up. Great to have a firmer couch with out the awkward boards we had before. Requires a bit more strength to open the sofa bed but worth it! Would recommend!
Steven V.
Boston, MA
Just what we needed
I wasn't sure it would work, but this was a heavenly answer. Our camper's queen hideaway had bars and dips everywhere, and this gave full, comfortable support right away. It fit the frame, folded up perfectly, and I slept great all night — I highly recommend it.
Victor M.
United States
Just what we needed
Really helps make the sofa bed mattress more sturdy. I am very happy with the difference it made. It was a great solution for my husband while recovering and needing easier access.
Sam C.
United States
Just what we needed
Really helps make the sofa bed mattress more sturdy. I am very happy with the difference it made. It was a great solution for my husband while recovering and needing easier access.
Sam C.
United States
Fits Standard Sofa Beds
Designed to provide full coverage across standard sofa bed sleeping surfaces.
Product Dimensions
Twin Size Sofa Bed
35 × 64 inches
![](data:image/svg+xml,%3Csvg width="100%25" height="1" viewBox="0 0 100 1" fill="none" xmlns="http://www.w3.org/2000/svg"%3E%3Cline x1="0" y1="0.5" x2="100" y2="0.5" stroke="%23E0E0E0"/%3E%3C/svg%3E)
Full Size Sofa Bed
46 × 64 inches
Queen Size Sofa Bed
How to Install
STEP 1
Pull out the sofa bed fully and remove the mattress.
STEP 2
Place the SleepSaver flat on the canvas so it covers the support bar area.
STEP 3
One-time Setup
No Tools Required
Installs in Seconds
Recommended By New York Times Wirecutter
“Everyday home comfort redefined”
Frequently Asked Questions
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Customer Reviews
4.9
Based on 33 reviews
SV
steven v.
united states
5 months ago
Just what we needed!
Super easy to set up. Great to have a firmer couch with out the awkward boards we had before. Requires a bit more strength to open the sofa bed but worth it! Would recommend!
VM
victor m.
united states
5 months ago
Heavenly sent
I wasn't sure it would work, but this was a heavenly answer. Our camper's queen hideaway had bars and dips everywhere, and this gave full, comfortable support right away. It fit the frame, folded up perfectly, and I slept great all night — I highly recommend it.
VM
sam c.
united states
5 months ago
It works!
Really helps make the sofa bed mattress more sturdy. I am very happy with the difference it made. It was a great solution for my husband while recovering and needing easier access.
SV
steven v.
united states
5 months ago
Just what we needed!
Super easy to set up. Great to have a firmer couch with out the awkward boards we had before. Requires a bit more strength to open the sofa bed but worth it! Would recommend!
VM
victor m.
united states
5 months ago
Heavenly sent
I wasn't sure it would work, but this was a heavenly answer. Our camper's queen hideaway had bars and dips everywhere, and this gave full, comfortable support right away. It fit the frame, folded up perfectly, and I slept great all night — I highly recommend it.
Free Shipping on all orders
30-Day Returns
US-Based Customer Support
