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Mattress King Size, 12 inch King Mattress in a Box, Hybrid Mattress

Based on 74 reviews
Condition: New
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$399.99

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Availability: Only 9 left in stock, order soon!
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Arrives Thursday, Nov 5
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At a glance

Condition
New
Size
King
Model
M-26-8
Dimensions
80 x 76 x 12 in
Weight
50 lb
Color
Black
Material
Gel Foam
In the box
High Density Foam

Features 5

  • Tired Of Sagging Beds? This 12-inch king hybrid mattress (80"L x 76"W) features a durable 7-layer design with premium cooling foam and individually wrapped pocket coils for firm support. Engineered to hold 500-600 lbs, this breathable, anti-sag bed reduces heat buildup for hot sleepers. Advanced motion isolation eliminates partner disturbance. Whether sleeping alone, with a partner, or pets, experience deep, undisturbed rest every single night
  • Firm Hybrid Mattress For Pain-Free Sleep - High-density gel memory foam and 800+ individually wrapped pocket coils deliver strong, stable head-to-toe support. Ideal for back, stomach, and combination sleepers, this firm bed ensures natural spinal alignment all night. By actively reducing pressure on your shoulders, lumbar, hips, and knees, it eliminates morning stiffness and back pain. Wake up refreshed and ache-free every single day with targeted, ergonomic comfort
  • 7-Zone Support & 800+ Pocket Coils For Advanced Comfort - Engineered with edge springs 30% denser than standard hybrid mattresses, reducing edge roll-off by 40% while delivering targeted pressure relief for hips, shoulders, and spine. Each independent coil adapts to your body contours, minimizing motion transfer by 90% for undisturbed rest. Finished with a breathable cover that maintains a 10F cooler sleep surface, this bed ensures deep, sweat-free sleep every single night
  • Fiberglass-Free King Mattress For Safe Sleep - Worried about hidden fiberglass or harsh chemicals? Our king size mattress features certified memory foam that gently aligns your spine and relieves pressure points. Designed completely fiberglass-free for your ultimate peace of mind, every premium layer meets strict safety standards. Enjoy a clean, healthy, and comfortable resting environment night after night without compromising on durable support or performance

Specs 35

Brand REMIISS
Size King
Product Dimensions 80"L x 76"W x 12"Th
Item Weight 50 pounds
Item Firmness Description Medium Firm
Top Style Euro Top
Cover Material Polyester
Number of Layers 7

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Nov 5

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.

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Top Amazon Reviews


Heavy but seems worth it
Size: Queen
I'll start by saying the box say 70 pounds. When you pick it up it most definitely doesn't feel like 70 pounds feels like 90 pounds the least. But feels like good quality i will update when it's inflated. So far so good though.(Update after 36hours of leaving the mattress to inflate must say best sleep of my life.) ... show more
Reviewed in the United States on August 18, 2026 by Matthew Ruiz

Feels luxurious but supportive.
This is a comfy mattress so far. It isn’t quite as firm as I’d hoped but I still don’t sink into it to terribly. It’s got a soft top layer that actually cools and still gives a fair amount of support beneath that layer. No noise and the mattress is memory foam so you don’t even wake your partner when getting up. No inflation required but does need considerable amount of time to fully expand before use. This is a good value compared to some brands out there. ... show more
Reviewed in the United States on August 10, 2026 by STEIN

Great buy!
Size: Queen
Absolutely comfortable. Worth it!
Reviewed in the United States on August 20, 2026 by Valerie Garcia

Very comfortable mattress
I don’t understand why, but this mattress seems to be a lot heavier than any other queen size mattress I’ve had to deal with. It definitely makes it difficult for one person to move it around while it’s still in the box. It took two people to bring it in the house after it was delivered. After finally getting it out of the box, I now understand why I weighs so much. There are a lot if metal springs in this mattress. One thing is for sure, once you break the seal on the mattress’ wrapping, it expands to its full-size really quickly. It kind of reminds me of those inflatable slides in the in the airplane and as soon as you pull the string, it blows up real quickly. Surprisingly, it’s not possible to remove the cover and wash it. It’s also surprising that once it’s out of the box and fully inflated, it’s actually a little easier to move around than beforehand. I think the reason why is, all that weight is now distributed over a larger area rather than packed into a small box. Considering how big and heavy it is, I probably should have opened it up on the bed instead of on the floor. The mattress is very comfortable and it has a good thickness. Unfortunately, like some mattress, because of the springs, you can’t flip it over when one side gets broken down from use. However, you can rotate it so the section that was at your feet is now at your head. That alone should give you a couple extra years use before needing to replace it. I recommend this as a replacement mattress for your bed. ... show more
Reviewed in the United States on August 5, 2026 by FritzJ

Queen-sized memory-foam pocket-coil mattress ships rolled in a box, quality is good for the price
Queen-sized foam-and-pocket-coil mattress that's shipped in a box. It's heavy (it might take two people to get it safely through halls and around corners without knocking pictures off walls). It's an ingenious way to ship a mattress but also requires some compromise in terms of firmness. Make sure you have the mattress almost in place on the bed support before you cut the packing plastic. It puffs out quickly and is awkward to move after it starts to unfold, especially if it's installed on a raised bed or in small room. It takes a few hours to fully form itself. In terms of aesthetics, the fabric is nicer than our old mattress (until you cover it with sheets and then you don't see it any more) and the firmness is medium. It handles rocking and movement on one side reasonably well without moving (and disturbing) whoever is on the other side. We waited a few days before adding sheets to give it time to air out. The stitching looks good for the price. It's hard to estimate how long it will last. It's not quite as sturdy as our old mattress (our old mattress was a traditional unrolled mattress and cost us a couple of hundred dollars more), and it depends whether it's used daily or occasionally, but it might be good for a decade or so. A box-shipped mattress isn't as firm as a traditional mattress but, for the price, it is suitable for a guest room, a summer cabin, or someone who wants something at a reasonable price that is better than a cheap mattress. ... show more
Reviewed in the United States on April 9, 2026 by Product Enthusiast

Great quality, solid structure
This mattress is made with top-notch materials. It arrived nicely compressed, but wow, it's pretty heavy! My son and I had to team up to get it upstairs to my bedroom. I've been sleeping on it for about 5 months now, and I'm totally satisfied. Before this mattress, I used to wake up with a nagging backache every morning, but now that pain is history! It's super supportive and cozy. I highly recommend using 16 inch deep pocket sheets for it. The quality is excellent, and it has just the right firmness I was looking for. ... show more
Reviewed in the United States on August 23, 2026 by David C

Excellent Value, Durable, and Highly Supportive
The setup process for this mattress was incredibly straightforward. After removing it from the box and plastic packaging, it unrolled and inflated perfectly to its proper shape, matching the product photos. In terms of comfort, the mattress is quite firm and prevents any excessive sinking. I haven't noticed any noise during use. While the marketing photos show it on a bed frame, it functions perfectly well directly on the floor unless you prefer extra height or under-bed storage. I have been using this mattress for about five months now and have consistently enjoyed a great night's sleep. It still looks brand new with no visible signs of wear, which speaks to its quality materials and durable construction. It offers excellent value for the money. ... show more
Reviewed in the United States on August 10, 2026 by D. J. Starcher

Good matress for the price, not idea for more than one sleeper.
Matress came well packed much like most shippable matresses. The issue i had was the springs are not comfortable. Despite the listing stating gel memory foam etc, its basically a thin sheet of padding and a regular spring coil box. I dont want to say misleading however for the price you get a passable matress. Ive had much worse in the past for more money overall. The fabric used for the matress however is nice and of higher quality than normal. If i needed a matress for an apartment or solo living, then this is fine but it is highly springy which means you will be bouncing around a lot so i dont know if more than one person sleeping on it would be a good experience. The box is insanely heavy however due to the springs being heavy and the fabric being high quality thick materials but that is to be expected i believe. ... show more
Reviewed in the United States on April 3, 2026 by Amazon Customer
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