Dual-Side Full Size Sofa Bed Mattress 4 Inch, 2-in-1 Cooling Gel & Warm Side Uesd for All Seasons, Memory Foam Mattress Medium Firm Support, Pressure Relief, CertiPUR-US Certified, 72''x53''
Condition: New
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FREE 90-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Saturday, Jun 6
Size: Full
Style: 4 Inch
Features
- Perfect for Different Temperature Needs: Enjoy Two Mattresses in One!!! One side features innovative ice silk fabric for a cool, sweat-free sleep during hot nights; flip to the soft, breathable cotton side for cozy warmth in cooler seasons.
- Optimal Support & Pressure Relief: Engineered with medium-firm resilience to align spine, reduce pressure points, and minimize motion transferideal for back, side, and combination sleepers.
- Convenient & CertiPUR-US Certified: Crafted with health and safety in mind: All foams are CertiPUR-US certified, ensuring they are made without any harmful materials. Comes compressed in a box for easy setup. Just unbox, unroll, and watch it expand to full size within 24-48 hours.
- Engineered for Durability & Shape Retention: Crafted with high-resiliency foam that is designed to minimize sagging and maintain its structure year after year, even with frequent flipping. This ensures consistent comfort and support throughout the mattresss lifespan.
- After-Sale Guaranty: Your convenience is our priority. If the mattress itself has any problems, you don't need to return it to us. You can feel free to contact us at any time. We must help you solve the problem.
Brand: CJJSleep
Size: Full
Product Dimensions: 72"L x 53"W x 4"Th
Item Weight: 19.5 Pounds
Item Firmness Description: Medium
Top Style: gel_top
Fill Material: Gel Memory Foam
Special Feature: Dual-Sided, Cooling Gel, Pressure Relief
Color: Grey
Model Name: U3A4F
Product Dimensions: 72 x 53 x 4 inches
Item Weight: 19.5 pounds
Manufacturer: CJJSleep
Item model number: U3A4F
Date First Available: January 20, 2026
Age Range Description: All
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jun 6
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: Queen
Style: 4 Inch
If you are Thinking about getting this for sleeper sofa, do not hesitate. It is firm enough to hold up to that bar in the middle and soft enough for a comfortable rest. I took a 3.5 hr nap on it today as a trial run and I was pleased. It fold up nicely into our sofa and has even reduced the squeak that we had with the old mattress.
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Reviewed in the United States on March 9, 2026 by Melany
Size: Queen
Style: 5 Inch
The media could not be loaded. Perfect size and feel love the double sided
Reviewed in the United States on March 8, 2026 by Diego Cervantes
Size: Full
Style: 4 Inch
I recently ordered the CJJSleep Full Size Dual Side Sofa Bed Mattress, and it has honestly exceeded my expectations. It is described as being for a sofa sleeper, but it is actually something you could easily use for guests who spontaneously show up for the weekend. It is far more comfortable and supportive than a typical air mattress, and it feels like a real sleeping solution rather than a temporary fix. The mattress measures 72 inches long by 53 inches wide by 4 inches thick, which makes it a true full size sofa bed mattress. At 19.5 pounds, it has a solid, substantial feel without being too heavy to move or flip. The weight gives it a sense of durability and quality that you notice right away. One of the standout features is the dual sided design. You essentially get two mattresses in one. One side features an innovative ice silk fabric that stays cool and helps prevent that sweaty feeling during warmer nights. Flip it over and you have a soft, breathable cotton side that feels cozier and warmer in cooler seasons. That versatility makes it practical year round without needing to swap out bedding. The medium firmness hits a really nice balance. It offers enough support to help align the spine and reduce pressure points, yet it still has enough give to feel comfortable for back, side, and combination sleepers. Motion transfer is minimal, which is great if two people are sharing the bed. It does not have that sinking, unstable feeling that some thinner sofa mattresses or air mattresses can have. It also arrives compressed in a box, which makes setup simple. You just unbox it, unroll it, and allow it to expand fully within 24 to 48 hours. All foams are CertiPUR US certified, so it is made without harmful materials, which adds peace of mind. Durability is another strong point. The high resiliency foam is designed to minimize sagging and maintain its shape over time, even with frequent flipping between the cooling and warm sides. It feels like it will hold up well with regular guest use rather than breaking down after a few stays. Overall, this mattress is a smart upgrade for a sofa sleeper, and it is also a fantastic solution to keep on hand for unexpected guests. It looks well designed, feels comfortable, and seems built to last. It was affordable and a good value, considering the design, the comfort and the durability.
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Reviewed in the United States on February 20, 2026 by Gordon L.
Size: Full
Style: 4 Inch
This 4-inch full-size memory foam mattress is marketed as a replacement for a sofa bed, but it turns out to be much more versatile than that. It’s comfortable enough that it can easily serve as a real sleeping solution for guests instead of just a temporary option like an air mattress. The mattress measures **72" x 53" x 4"**, which fits the typical full-size sofa sleeper frame. At about **19.5 pounds**, it feels solid and well constructed without being too heavy to move or flip when needed. One of the most interesting features is the **dual-sided design**. One side uses a cooling “ice silk” style fabric that feels cooler and helps reduce that sweaty feeling during warmer nights. Flip it over and the opposite side uses a softer cotton surface that feels warmer and cozier in cooler weather. Having two usable sides makes it practical year-round. The **medium-firm memory foam** provides a good balance between support and comfort. It has enough firmness to support the spine and reduce pressure points, but still has enough give to feel comfortable for different sleeping positions. It also does a decent job minimizing motion transfer if two people are sharing the bed. Setup is simple because the mattress arrives **compressed in a box**. After unboxing and unrolling it, the foam expands fully within about **24–48 hours**. The foam is also **CertiPUR-US certified**, meaning it’s made without harmful chemicals. Overall, this mattress exceeded expectations. It’s far more comfortable and supportive than a typical air mattress and feels like a real guest bed rather than a temporary solution. **Bottom line:** a comfortable and versatile memory foam mattress that works well for sofa sleepers but is also a great option to keep on hand for visiting guests.
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Reviewed in the United States on March 8, 2026 by Mark Tomlinson
Size: Queen
Style: 4 Inch
Very hard! If I could get in a box to send back I would return it.
Reviewed in the United States on March 9, 2026 by Katie Mead
Size: Full
Style: 4 Inch
It's a good mattress but it's a bit too small for my sofa. Its not a big deal but I do wish it would have covered everything. It also slides around a lot whenever you turn over. I guess because it's so thin. But, even with it being so thin, it's actually comfortable. You can sleep well on it despite the size and it moving around some. It's very firm and looks durable. It unfolded and reached its full size in seconds.
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Reviewed in the United States on February 26, 2026 by aml0911 aml0911