FDW | 5 Inch California King Mattress | Medium Firm | Gel Memory Foam Mattress | White | Bed in a Box, CertiPUR-US Certified | Pressure Relief, Cooling Ventilated Foam | Washable Removable Cover
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
Monday, Jun 8
Recently Viewed
Color: White
Size: California King
Style: 5 IN
Features
- -Mattress in a box & fist 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.
- -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.
- -Material & construction-Gel memory foam mattress include 2.5gel memory foam and 9.5high density base support foam for ultimate comfort.The gel memory foam offers complete, luxurious and stress-free support. Gel-infused memory foam keeps you cool during sleep and body-contouring memory foam reduces pressure points and properly aligns the spine.
- -Upgraded comfort-High-quality gel memory foam meets CertiPUR-US program standards for performance and durability Medium cushion-firm feel;The feel of this gel memory foam mattress is slightly plusher than a traditional firm mattress.
- -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.
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 5"Th
Item Weight: 36 Pounds
Item Firmness Description: Medium Firm
Top Style: Gel Top
Cover Material: Cotton Blend
Number of Layers: 2
Fill Material: Gel Memory Foam
Special Feature: Removable Cover
Item Weight: 36 pounds
Product Dimensions: 84 x 72 x 5 inches
Item model number: 5 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:
Monday, Jun 8
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
Color: White
Size: Twin
Style: 5 IN
I bought this FDW 5 inch twin mattress to use in a guest room and I’m really happy with it. The medium-firm feel is supportive without being too hard, and the gel memory foam layer conforms nicely to your body—it’s been comfortable for both back and side sleeping. Nellis Auction Set-up was super easy: it arrived compressed in a box, and within a couple of days it expanded fully and was ready to sleep on. The removable cover is a big plus too—I love that it’s washable and easy to keep clean. Nellis Auction What really sold me was the CertiPUR-US certification, which gives peace of mind that the foam is made without harmful chemicals. Nellis Auction Whether it’s for a kid’s room, guest space, or even a small apartment, this mattress delivers great support and comfort at a great price. Highly recommend! Nellis Auction
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Reviewed in the United States on December 17, 2025 by Tabitha
Color: White
Size: Queen
Style: 5 IN
I purchased the FDW 5-inch queen mattress (medium firmness) for a spare bedroom, and it’s been a great choice. The mattress arrived well packaged and expanded properly after opening. It feels comfortable and supportive, especially considering the thickness. The medium firmness provides good support without feeling too hard, and it works well for back and side sleeping. After several nights of use, it’s held its shape nicely and hasn’t sunk in. The mattress doesn’t have a strong odor, which I appreciated, and it was ready to use fairly quickly. For the price, the quality is better than I expected. Overall, this mattress does exactly what it’s supposed to do. It’s comfortable, supportive, and a great value. I would definitely recommend it for guest rooms, apartments, or anyone looking for an affordable mattress option.
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Reviewed in the United States on December 15, 2025 by Rafael A
Color: White
Size: Twin
Style: 5 IN
Looks and feels like high quality, 12” twin , Im satisfied and recommend.
Reviewed in the United States on February 7, 2026 by Eli Rio Eli Rio
Color: White
Size: Twin
Style: 8 IN
Came in fast. Easy to open as I placed it on the bed from before I took the plastic off. The firm is very firm yet I find comfortable. Great price and I’m happy with my purchases.
Reviewed in the United States on February 11, 2026 by Lorene
Color: White
Size: Twin
Style: 6 IN
Let me start with I was a little nervous due some of the reviews. But I am SO happy I pulled the trigger and ordered this mattress. It did take about 48 hours to complete form. The wait was well worth the comfort and support. It seems to be very well made. I have nothing negative to say.
Reviewed in the United States on February 3, 2026 by Rachel
Color: White
Size: Full
Style: 10 IN
I don’t write reviews unless something truly earns it — and this mattress has earned it for five straight years. This thing is soft without being “sink into oblivion,” supportive without feeling like a gym mat, and somehow puts you to sleep faster than scrolling your phone with one eye closed. You know that moment where you think, I’ll just rest my eyes for a second? Yeah. That’s this mattress. It’s also shockingly hardy. Five years in, it still feels great — no sagging, no weird dips, no “why does my back hate me now?” mornings. Which is exactly why I just bought another one for my son Jackson’s room. When you find something that works, you don’t gamble — you double down. If this mattress were a person, it would tuck you in, say “you’ve had a long day,” and knock you out cold. Worth every penny. Would buy again. (And did.)
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Reviewed in the United States on December 24, 2025 by Robi P yeah you know ME
Color: White
Size: Full
Style: 8 IN
We used it to replace the useless full size mattress (3" thick) in a pullout loveseat. Original mattress was a little shorter and this new one sits up a few inches at the head. Comfort is fantastic! We were concerned about closing as it's so much thicker and a bit longer; but it worked. It takes 2 people to close the pullout as the first portion that locks down required both of us laying on it. It then swung down into place with a little extra effort, but fit! The extra length of the mattress slid up under the back of the loveseat. The difference in comfort over the original mattress is well worth the added effort for the few times a year we use it. Closing every night when guests are in town would be a hassle. It's in the Den and we can leave it open the whole time guests are using it to avoid the extra effort of closing each night. In retrospect, the 5" with 2" topper or possibly the 6" mattress options might have been easier to deal with when it comes to pullout furniture. On a reguler bed this would be fantastic. Definitely recommend this product.
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Reviewed in the United States on December 4, 2025 by SJ Ha
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