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Dyonery

King 12 Inch Memory Foam Mattress in a Box, Cooling Knit Fabric Cover, Made in USA, CertiPUR-US Certified, Ventilated Copper AeroFusion Memory Foam, Fiberglass Free Mattress, 76”x80”

    • Based on 391 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Dyonery
Arrives Feb 2 – Feb 7
Order within 1 hour and 1 minute
Available payment plans shown during checkout

Size: King


Style: 12inch Medium-Cooling


Features

  • Cooling Knit Fabric Cover:Cooling Knit Fabric Cover can create a cooling sensation keeping you comfortable while you sleep.The fabric is smooth and comfortable, absorbent,and allows sweat to evaporate easily, keeping your skin dry.This allows you and your family to enjoy a comfortable.This fabric stays cool-to-the-touch due to its superior breathability and temperature regulating properties that move heat away from the body.
  • 3-layer memory foam mattress:Copper memory foam mattress can help you get a good nights sleep by cradling your body in comfort, reducing tossing and turning,and minimizing common sleep disruptions that can result from uncomfortable pressure points or inadequate support.Whether youre a light sleeper or a restless toss-and-turner, a high-quality three-layer memory foam mattress can help you achieve a more restful and rejuvenating sleep experience.
  • CertiPUR-US & Oeko-Tex Standard 100 Certified: Our mattresses are certified by both CertiPUR-US and Oeko-Tex Standard 100, ensuring that they are free from harmful substances. The memory foam and fabrics have been independently evaluated to comply with all mandatory and voluntary safety standards for mattress products.
  • Easy Setup:Our mattresses are easy to setup. They can fit all types of frames, including box springs, floors, adjustable beds, foundations, slatted platforms, and flat platforms. Simply wait for 12 hours for the mattress to fully expand to its original shape.
  • 10-Year Limited Warranty for Worry-Free Sleep: We are dedicated to providing you with the best night's sleep possible through our superior products. If there are any issues with your mattress, please contact our customer support team and they will assist you in resolving the problem. Please note that our mattresses cannot be returned once opened.

Brand: Dyonery


Size: King


Product Dimensions: 80"L x 76"W x 12"Th


Top Style: Tight Top


Cover Material: Most likely a high-quality synthetic material like Polyester or Nylon, or possibly Cotton, but the exact material is not explicitly stated in the provided information. See more


Number of Layers: 3


Fill Material: Copper Memory Foam


Special Feature: Copper infused


Color: Black


Model Name: DYO-MCG120K0002T


Product Dimensions: 80 x 76 x 12 inches


Item Weight: 84 pounds


Manufacturer: Dyonery


Item model number: DYO-MCG120K0002T


Date First Available: November 22, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Feb 2 – Feb 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Got Broken In Real Good
Size: Queen Style: 14inch Firm
I’ve had the Dyonery Queen 14 Inch Memory Foam Mattress for a little while now, and let me tell you, it’s gotten broken in real good. At first, it felt a bit firm, but after a few nights, it softened up to the perfect level of comfort. It’s like it knew exactly what my body needed! I’m getting the best sleep I’ve had in years, and no more back pain. If you’re looking for a mattress that’ll treat you right after a short “break-in” period, this one’s definitely worth it! ... show more
Reviewed in the United States on December 3, 2024 by Nathan Miller
    • This mattress is the BOMB!!!!
Size: King Style: 14inch Firm
OMG... I've spent TONS of money in the past on Tempurpedic brand mattresses and this Dyonery King 14" Memory Foam Mattress, out of a box is the BEST!!! I cannot believe how this puffs up and takes shape to be the best mattress I've ever slept on... WOW!! This is unbelievable.... I waited to post this review because I thought the experience might be short lived -- but, it's staying comfortable and not getting any indentations from laying in one spot (which the Tempurpedic has done in the past). I've been sleeping on a Tempurpedic mattress for over 30 years and love the (firm) memory foam. If you prefer the firm memory foam mattress too, don't hesitate to get this one!! It's so awesome!! I love this mattress!!! ... show more
Reviewed in the United States on December 24, 2024 by Beverly A Ladd
    • Very Satisfied
Size: Queen Style: 14inch Firm
I love everything about this mattress. First I lay down to try it out and fell fast asleep. It is super comfortable, firm and does not sag when I sit. Height is as described. Would highly recommend. I am actually purchasing another one for my grand-daughter.
Reviewed in the United States on November 24, 2024 by Ebbie
    • Couldn’t be happier
Size: King Style: 14inch Firm
I was kinda reluctant on buying a mattress out of a box, but I really had no choice. We had paid $3000 for a mattress that killed my husband and I every night. We would wake up hurting everywhere. I felt bad for my husband because his hips and back hurt so bad. I saw this mattress and I always wanted a firm foam mattress. This mattress is fantastic I couldn’t be happier. It is firm but my husband and I wake up almost pain free. He said his hips doesn’t even hurt in the morning. I have neuropathy so I’m always hurting everywhere that could hurt. I use to wake up with bad shoulder pain sleeping in our old mattress but not once in 5 days sleeping on this have I yelled out in pain. The edge of the mattress is firm you will not slide off or roll off. It comes with a 10 year warranty if it last for 5 years I will be happy and I will buy it again for the price. You cannot go wrong if you are in the market for a firm mattress. I have this mattress on top of my old box spring and it doesn’t slide off. You will also not feel your partner moving around. My old mattress my husband tossed and turned and I felt like I was on a boat. This mattress is excellent take my word for it. ... show more
Reviewed in the United States on November 3, 2024 by Tommie Basnight
    • Don't buy
Size: King Style: 14inch Firm
This bed is supposedly a firm mattress. It is not it is soft and exactly what I already had but I did not want I have back problems and was really looking for a firm mattress. To make it even more aggravating I accidentally purchased a king and I only needed a queen I attempted a request so I could return it and purchase the queen size that I want unfortunately they approved it but I had to pay shipping. At that rate to ship a mattress this heavy back to Arizona I decided I guess I will just keep it and get a smaller frame so I unwrap the mattress I let it swell up for 72 hours like they said needs to happen and now I haven't even softer mattress than the one I already had! Very aggravating and a huge waste of my money! ... show more
Reviewed in the United States on December 26, 2024 by Smithers
    • This is an excellent bed! HOWEVER, it is SO hard! BUT there is a solution.
Size: King Style: 14inch Firm
This EGO of bed is excellent, HOWEVER, the FIRM model is SO hard! Much harder than anticipated. One review said it was hard as a rock and that isn't too far off. There is a little give AFTER you lay there for about 30 seconds or so. But, the initial feel is very brick-like. Be prepared. Here's the good news! Pair with this topper "Dual Layer Memory Foam Mattress Topper for Pain Relief with 2X Support, 2" Fluffy Pillow Top Queen Mattress Topper Plus 2" Odor-Free Cooling Gel Memory Foam Ultra Comfort Mattress Pad Cover" Visit the Biteany Store - you will have the best sleep of your life! You get firm support but also soft comfort from the topper! This is the PERFECT combination. ... show more
Reviewed in the United States on December 26, 2024 by Johnny K.
    • Great overall, highly recommended.
Size: King Style: 14inch Firm
After trying out the king size mattress, I was amazed with the quality. Firm, just how my back and hip love it. Seriously, save your body from years of wear and tear pain. Easy, quick setup as it simply comes in a box and takes about 12 hours to de-inflate. I will never go back to purchasing expensive mattresses when this one is readily accessible and cost effective. Additionally, they refunded me the price difference when I reached out regarding the discounted price on black Friday sale. Fantastic mattress and supreme customer support. Highly recommended from an extremely rare reviewer. ... show more
Reviewed in the United States on November 28, 2024 by Tobes
    • Super Comfy! Very pleased!
Size: King Style: 12inch Medium-Cooling
I bought the 12” Medium King size mattress. I love it. It’s not too hard, not too soft.. it’s perfect. I work a warehouse job and have a lot of body pain when I come home from work and this alleviates any pain at night. I’m not tossing and turning like I used to. It’s perfect for side & stomach sleeper. I usually can’t sleep on my side on most beds because of shoulder issues. But I have no shoulder pain. Buy the damn mattress. It’s worth every penny! ... show more
Reviewed in the United States on December 7, 2024 by Ashley

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