FDW 12 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving Pressure Relief CertiPUR-US Certified Mattress in a Box,California King
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Availability:
In Stock.
Arrives
Wednesday, Jun 10
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Color: White
Size: California King
Style: 12 IN
Features
- -Mattress in a box & fits all bed frames- Such fun to receive a mattress thats rolled and compressed in a box . Follow the instructions and see how the magic happens. It is easy to set up and fits all kinds of queen bed frames, even on the floor. Mattress is recommended 72 hours for air out and reshape.
- -High quality materials-our memory foam mattress, combined with professional knowledge and the best materials, helps to provide advanced sleep technology. Gel memory foam provides continuous airflow to ensure cool sleep at night.
- -Easy setup - just move the box to the room you want to use, open the box, open the mattress, and watch it expand in front of your eyes. The mattress will be ready in 72 hours!
- -Perfect support in any position - whether you're a side sleeper, a back sleeper, a stomach sleeper, or just tossing and turning, our mattresses provide the best hardness, coolness and comfort.
- -Easy to clean-It includes a soft cover that is washable for your convenience. Pressure relieving gel foam naturally draws heat away from the body for a more comfortable night's sleep;Beautifully detailed all around cover with four-way stretch works with the memory foam to optimize its conforming properties.
Description
What is the formula for our best-selling mattress? Precisely layered CertiPUR American certified foam can let you fit into this mattress properly. Our mattress is a perfect combination of soft memory foam and ultra dense base foam, which can provide a sense of support when shaping your body, supporting your most developed joints and aligning your spine. In addition, this mattress uses our high-quality high-density bottom foam to prevent any uncomfortable sinking, sagging or turning over in bed, so as to ensure that you can get the ideal support level and get a peaceful sleep.
Brand: FDW
Size: California King
Product Dimensions: 84"L x 72"W x 12"Th
Top Style: Gel Top
Cover Material: Polyester
Number of Layers: 2
Fill Material: Gel Memory Foam
Special Feature: Removable Cover
Color: White
Model Name: Medium Firm Mattresses for Cool Sleep Relieving Pressure Relief
Item Weight: 78 pounds
Product Dimensions: 84 x 72 x 12 inches
Item model number: 12 inch Gel Memory Foam Mattress
Age Range Description: all
Date First Available: November 15, 2023
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Jun 10
Yes, absolutely! You may return this product for a full refund within 100 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: King
Style: 12 IN
I absolutely love the FDW 12 Inch King Mattress! The medium-firm feel is perfect — supportive yet comfortable — and it contours beautifully to my body, relieving pressure points without feeling too soft. The gel memory foam helps keep the mattress cool, and I’ve been sleeping soundly through the night without overheating. Unboxing and setup were a breeze; it expanded fully within a few hours and feels just like the pictures online. The mattress cover is soft, breathable, and adds an extra layer of comfort. Overall, this mattress feels high-quality and luxurious for the price, and it has completely improved my sleep. I would highly recommend it to anyone looking for a comfortable, supportive, and affordable king-size mattress.
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Reviewed in the United States on November 4, 2025 by Kawaiolu&Kahunani
Color: White
Size: Queen
Style: 12 IN
I’m honestly impressed with this mattress. From the first night, I noticed a huge difference in how well I slept. It has the perfect balance of softness and support — firm enough to keep my back aligned, but still plush enough to feel cozy. I also love that it stays cool throughout the night. I used to wake up overheated with my old mattress, but not anymore. The quality feels premium, and it expanded fully within a few hours of unboxing. After a few weeks of sleeping on it, I can say I’m waking up with less back pain and feeling much more rested. For the price and comfort, this mattress is a fantastic buy. Highly recommended!
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Reviewed in the United States on November 21, 2025 by Zara
Color: White
Size: Twin
Style: 6 IN
I bought this FDW twin mattress for my daughter’s bed, and we both love it! It arrived quickly, rolled up in a compact box, and expanded to full size within a few hours. The mattress feels soft on top but still gives great support — a perfect medium-firm feel that’s super comfortable. My daughter sleeps through the night and says it feels “like a cloud.” The cooling gel really does help keep the bed from getting too warm, and the removable cover makes it easy to keep clean (a big win for a kid’s room!). Overall, this mattress is a great value — comfortable, breathable, and high quality for the price. I’d definitely buy another one!
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Reviewed in the United States on October 25, 2025 by Jazzy
Color: White
Size: Queen
Style: 10 IN
Definitely firm but still very comfortable. You will definitely sink down quite a bit if sitting upright for a while, but it returns pretty quick. Inflated very quick upon unboxing, dimensions fairly accurate to size ordered. So far only gripes I have about it is it seems to hold heat a lot? Not entirely sure because it is Summer but compared to my last mattress it gets a bit uncomfortable with my heat. That and the cover thing that comes with it, while it is a nice feature my cat's claws constantly get stuck in it and the fibers seem to pull out easily. Lot of loose fiber nubs sticking out already in the month or so of use. The main reason I like this mattress though is it's all foam, one of the only affordable ones I've seen where 95% of the thing isn't crappy coil springs that wear out quickly. While most of it is "support foam," it's still nice being so thick with actual cushion. I would recommend specifically the 10" size as it seems the rate of actual memory foam they offer per size doesn't increase much, less value in it. A bit weird of a policy since you'd be paying more.. would expect some more quality foam. Suppose it's due to width increasing making increased memory foam being more spread out. Overall pretty good bed, would recommend.
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Reviewed in the United States on August 31, 2025 by Joe Diggles
Color: White
Size: Twin
Style: 8 IN
I was a little worried given the price but this mattress is terrific! Firm, comfortable and the price could not be better. I would recommend this to anyone who needs an inexpensive twin mattress.
Reviewed in the United States on November 26, 2025 by LB5512
Color: White
Size: Queen
Style: 10 IN
Purchased this mattress last year to replace the thin, worthless mattress in our travel trailer. So comfortable! It was easy to unpackage and install. Just the right amount of firmness for my aging back. Very pleased with the price and its functionality. Love the thickness!
Reviewed in the United States on November 26, 2025 by Amazon Customer
Color: White
Size: Twin
Style: 8 IN
This was our first time purchasing a bed in a "box"! Wow it is soooo comfortable. We love the medium firm and gel memory foam in this bed it makes it so nice and conforms to your body. It also keeps you cool and has improved our child's sleep.
Reviewed in the United States on November 16, 2025 by Vicky
Color: White
Size: Queen
Style: 6 IN
I’ve been sleeping on the FDW 6‑Inch Queen Gel Memory Foam Mattress (Medium Firm, Bed‑in‑a‑Box) for a few weeks, and overall I’m quite pleased. Here’s how it stacks up: ✅ What I Liked Good balance of support and comfort — The medium‑firm feel gives enough structure to keep my spine from sagging, while still offering some contouring to pressure points (especially around my hips and shoulders). Cooling effect — The gel memory foam does seem to help regulate temperature better than plain foam; I wake up less sweaty than on older mattresses I’ve tried. Easy delivery & setup — It compressed into a box and expanded reliably within a day or two. Very convenient to move and position. Removable / washable cover — The cover zips off and is easy to clean, which is great for keeping things fresh. ⚠️ What Could Be Better Edge support is weak — Sitting or lying near the edge feels less stable; it tends to compress more than I’d like. Thinness shows under heavier use — Since it’s only 6", for heavier sleepers there’s a chance you’ll feel the base or frame underneath more quickly. Possible “break‑in” feel — It softened slightly after a few nights. Not a big deal, but the initial firmness was more noticeable than what I expected. Durability unknown long-term — It’s still early days, so I can’t fully assess how it will hold up over years of use. 💤 Verdict This mattress hits a nice price‑to‑performance sweet spot. If you’re looking for a budget memory foam option for a guest room, apartment, or lighter sleeper, it’s a strong pick. But if you’re heavier or rely heavily on edge support, you might want to consider a thicker or sturdier alternative.
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Reviewed in the United States on October 17, 2025 by L J