Queen Size Mattress Firm, 12 Inch Gel Memory Foam, Cooling & Back Pain Relief, CertiPUR-US Certified, Fiberglass Free, Foam Made in USA, Firm
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Size: Queen
Style: 12 Inch
Pattern Name: Firm
Features
- Cooling & Comfortable Sleep Environment: Experience refreshing, clean sleep with the Dyonery gel-infused charcoal memory foam mattress that effectively regulates temperature and alleviates pressure points, helping to relieve back pain while keeping you cool and comfortable all night long.
- Perfect Firm Feel Support: Designed to contour to your bodys shape and weight, this Firm mattress offers balanced comfort and support suitable for all sleeping positions, providing a cozy yet supportive rest without being too soft
- Certified Safe & Non-Toxic Materials: Made in the USA with CertiPUR-US and Oeko-Tex Standard 100 certifications, ensuring that they are free from harmful substances and independently tested for safety.
- Quick & Easy Setup: Compatible with all bed frames including box springs, adjustable beds, floors, and hospital beds, simply unroll and allow 12 hours for full expansion to its original shape for immediate comfort.
- 10-Year Limited Warranty & Return Policy: Enjoy peace of mind with our 10-year limited warranty. PLEASE NOTE, non-quality related returns after opening are not accepted.
Brand: Dyonery
Size: Queen
Product Dimensions: 80"L x 60"W x 12"Th
Item Weight: 70 Pounds
Item Firmness Description: Firm
Top Style: Tight Top
Cover Material: Jacquard
Number of Layers: 5.0
Fill Material: Bamboo Charcoal Gel Memory foam
Special Feature: Breathable, Durable, Low Motion Transfer, Pressure Relief, Temperature Regulating, Washable
Product Dimensions: 80 x 60 x 12 inches
Item Weight: 70 pounds
Manufacturer: Dyonery
Item model number: DYO-CH120FQ
Date First Available: December 8, 2025
Frequently asked questions
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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: 10 Inch
Pattern Name: Medium
I am very impressed with this queen size mattress! The 10-inch gel memory foam provides the perfect balance of comfort and support. It feels medium-firm, which is great for my back, and I wake up without any pain or stiffness. The cooling feature really works—I don’t overheat at night anymore. It expanded quickly after unboxing, had no strong odor, and feels high quality. I also love that it’s CertiPUR-US certified and fiberglass free, which gives peace of mind. For the price, this mattress is an excellent value. Comfortable, supportive, and well-made. I would definitely recommend it to anyone looking for better sleep and back pain relief!
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Reviewed in the United States on December 18, 2025 by Thuy Family Thuy Family
Size: Queen
Style: 10 Inch
Pattern Name: Medium
I’ve been sleeping on this Queen Size 10-Inch Gel Memory Foam Mattress for a few weeks now, and I’m genuinely impressed with the quality and comfort for the price. It provides excellent support for my back and hips, and I’ve noticed much less stiffness in the mornings. The gel memory foam really works. This mattress stays noticeably cooler throughout the night. It gives peace of mind knowing the foam is made in the USA and doesn’t have harsh chemicals or odors. There was only a very slight smell when first unboxed, and it disappeared within a day. It arrived well-packaged, expanded quickly, and was ready to sleep on within 24 hours. For anyone looking for a comfortable, cooling memory foam mattress with good back support and safe materials, this is a fantastic choice. Great value and quality, I would definitely recommend it.
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Reviewed in the United States on December 23, 2025 by Yogendra Bohara
Size: Queen
Style: 10 Inch
Pattern Name: Medium
I highly recommend this mattress. The fabric feels very soft and comfortable to the touch. What I like most is its medium firmness—it’s neither too hard nor too soft, and it feels extremely comfortable to lie on. This feature really stands out to me and makes the mattress feel like an excellent value for the price. When it arrived, the mattress was folded and packed in a box. After unfolding it and letting it sit flat for about a day, it fully expanded to its original shape. It became very smooth and even, with no unpleasant odor at all. Overall, this is one of the best value-for-money purchases I’ve made. I’m very happy with my decision to buy this mattress!
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Reviewed in the United States on February 3, 2026 by Dylan Wang Dylan Wang
Size: Queen
Style: 10 Inch
Pattern Name: Medium
Comfortable and supportive right out of the box. It expanded quickly and had only a mild smell that faded in a day. The medium firmness feels great for side and back sleeping. Stays fairly cool through the night and doesn’t sink too much. Solid quality for the price, no complaints so far.
Reviewed in the United States on January 9, 2026 by Srimathi
Size: Queen
Style: 10 Inch
Pattern Name: Medium
It’s a nice mattress not extremely heavy to carry and it was easy to set up. it is on the harder side but over all I think it’s comfortable and if you’re looking for something quick and cheaper I think it works perfectly fine. If ur not into such a hard mattress i’m sure it would work well w a mattress topper. It doesn’t sag the edges of the bed are sturdy I got the 10 inch and it is a little low but I like it. I’ve noticed I do get a little sweaty when I’m sitting on the bed but I also have a water proof mattress cover so that could be why.
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Reviewed in the United States on November 17, 2025 by Lyss
Size: Queen
Style: 10 Inch
Pattern Name: Medium
I LOVE this mattress!! It’s firm and yet so comfortable. It’s perfect for my back. The mattress is higher than I expected but that’s not a problem. The quality is good your definitely getting what you paid for.
Reviewed in the United States on December 27, 2025 by Tee M
Size: Queen
Style: 10 Inch
Pattern Name: Medium
I've been using this mattress for months, as a replacement for a fiberglass filled mattress I had received in the past. This one is amazing, haven't noticed any fiberglass. clean, soft, comfortable, and correct size. Had the smell you would expect from every memory foam mattress, but it quickly faded and have had no issues.
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Reviewed in the United States on February 9, 2026 by Nicholas Owens
Size: Queen
Style: 14 Inch
Pattern Name: Medium
Should have paid more attention to 1 star reviews, but I assumed they were flukes based on so many high reviews and conflicting complaints. The mattress is great quality, no bad smells, expanded nearly to full size within hours, and expanded within 12 hours even in a colder setting of 63 degrees. It looks gorgeous. Shipping was fast as well, and packing was excellent. The mattress does have a cooling effect as well. It's not cold, but it it dissipates heat away from your body if you don't run too hot. For those reasons I don't think it deserves only 1 star. The negative... not quite rock hard as 1 star reviewers say, but I can see why they feel this way. It does feel harder on the body than a floor somehow but it's really not. I sleep more comfortably on a carpeted floor or on my minivan floor. It should 100% be advertised as FIRM not Medium. My Denver Mattress Telluride was medium and feels like a soft cloud compared to this. The most comfortable position on this mattress is my back, but it still was not fully comfortable and I'm not a back sleeper. I woke up 6 times trying to sleep on this mattress last night, and falling asleep was very difficult. So, I had plenty of time to dissect what the problem may be. My body is an hourglass, and I'm mostly a side sleeper. Might sleep on my stomach in a pinch, but that didn't work either. I need at least 3 inches of give/conforming in the foam to be comfortable and this 14 inch mattress only has about 1 inch of give. Such a shame. While my back was in less pain compared to my old sagging mattress, the lack of give left painful pressure points on my hips and shoulders and my hips out of alignment. The aching kept waking me up and keeping me awake. Edit - Seller reached out and worked with me to find a solution. I'm upgrading to 5 stars for excellent customer service.
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Reviewed in the United States on December 18, 2025 by Nelson