King Size Mattress 12 Inch, Hybrid King Mattress in a Box, Medium Firm Mattresses with Individual Pocket Springs and Soft Memory Foam for Cooler Sleep, Pressure Relief, Motion Isolation
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Availability:
In Stock.
Arrives
Monday, Apr 20
Size: King
Style: 12 Inch
Features
- Targeted Support & Pain Relief - The hybrid mattress king perfectly combines the advantages of responsive pocketed springs and multiple layers of adaptive memory foam for the ideal balance of comfort and stability. 7-zone ergonomic support design adapts to your bodys curves, keeping your spine aligned and reducing pressure on your shoulder, back, and hip, fully relaxes your entire body muscles. Whether you sleep on your side, back, or stomach, you will say goodbye to pain and wake up refreshed.
- Experience Cooling and Healthy Sleep - The king size mattress uses gel memory foam and upgraded 3D knitted fabric to ensure air circulation, prevent heat buildup, and quickly wick away moisture, keeping you cool and dry all night. It's especially suitable for hot sleepers. More importantly, the mattress is CertiPUR-US certified, non-toxic, odorless, fiberglass-free, and meets stringent safety standards, ensuring you have a restful and healthy sleep.
- Motion Isolation for Undisturbed Sleep - The mattress king size is designed with individual pocketed springs that move independently. This means that when you lie on the mattress, each spring responds to the pressure individually, absorbing motion before it spreads, minimizing motion transfer across the mattress. Even if your partner or pet moves during the night, you can enjoy a peaceful, uninterrupted sleep, no more waking up from tossing, turning, or jumping on the bed.
- Triple Reinforced Edge Support & Durability - The 14 inch king size mattress uses triple strong edge springs that enhance stability when sitting or sleeping on the edge, preventing the mattress from sagging and sliding while maximizing your sleeping space. 1000+ upgraded tempered steel coils and durable high-density foam ensures the mattress is durable and will maintain its shape and comfort over time. It's ideal for couples and anyone who wants to maximize their sleeping space.
- Mattress in a Box & Easy to Use & Worry-Free Warranty - The 12 inch king size mattress arrives compressed in a box for easy delivery and setupsimply unbox, let it expand within 48-72 hours, and you can enjoy a comfortable sleep. It fits most bed frames, including platforms, bunk beds, and even the floor. If you have any questions about the mattress, please feel free to contact our reliable support team, we are committed to providing professional and efficient solutions within 24 hours.
Brand: SUAYEA
Size: King
Product Dimensions: 80"L x 76"W x 12"Th
Item Weight: 61.8 Pounds
Item Firmness Description: Medium
Top Style: Pillow Top
Cover Material: Cotton
Number of Layers: 8
Fill Material: Memory Foam
Weight Limit: 1000 Pounds
Product Dimensions: 80 x 76 x 12 inches
Item Weight: 61.8 pounds
Manufacturer: SUAYEA
Item model number: B0FX2PYHM8
Date First Available: December 15, 2025
Age Range Description: Aldult
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Apr 20
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: King
Style: 14 Inch
This mattress, My wife and I love it, It's comfortable, it allows the right pressure. Its got great pressure on the hips and around the shoulders if you lay on your side, I'm a side sleeper all time, so this works for me. It molds your body a little bit but only with the right pressure I think.
Reviewed in the United States on March 12, 2026 by Manni
Size: King
Style: 12 Inch
Great quality. Comfortable to sleep on right away. Firmness is spot on
Reviewed in the United States on March 9, 2026 by Sean Freitas
We needed a better mattress for the small guest room since my father comes to stay with us from time to time and the old one was no longer very comfortable. This twin XL mattress arrived tightly packed in a box, and while the package wasn’t huge, it definitely had some weight to it. My husband carried it upstairs without much trouble and set it up in the room within a few minutes. Once the plastic was opened, the mattress expanded just like expected. It was left to air out for a couple of days before putting sheets on it. After expanding fully, the shape looked even and well formed, and the materials felt solid rather than flimsy. The hybrid design with foam and springs gives it a balanced feel, not too soft but not overly stiff either. The medium firm support turned out to be a good match for my father when he stayed over recently. He mentioned that his back felt supported and he slept through the night without tossing around much. The top layer has a comfortable cushion while the base feels sturdy underneath. Overall it seems well made, and it works nicely for a guest room mattress that still needs to feel supportive and comfortable.
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Reviewed in the United States on March 5, 2026 by Alexa Young
I like preparing the guest room so visitors feel comfortable when staying over. This mattress fit well on the our twin xl frame and expanded to full size after being unboxed. The foam layer feels soft at the top while the springs underneath add firmness and structure. I noticed the breathable fabric on top helps keep the surface feeling cooler. My nephew slept on it during a weekend visit and said it felt comfortable throughout the night. The mattress now stays ready for guests whenever family comes over.
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Reviewed in the United States on March 14, 2026 by Tonya Stone
I’ve been sleeping on this hybrid mattress for a few weeks, and it has been a noticeable upgrade. The medium-firm feel strikes a great balance—supportive without feeling too hard. The zoned lumbar support helps keep my spine aligned, and I wake up with less stiffness in my lower back and shoulders. The cooling gel foam and breathable cover do a good job preventing heat buildup, which is important for me since I tend to sleep warm. I also appreciate the motion isolation from the pocket springs—movement on one side barely transfers across the bed. Edge support feels sturdy, and setup was simple. After about 48 hours, it fully expanded and felt ready to use. Overall, it offers comfort, stability, and solid value for the price.
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Reviewed in the United States on February 28, 2026 by Green
The first test is to make the bed, and this one was able to pass it with flying colors. The length of the mattress was covered in the same manner as a Twin XL sheet should be, which resulted in the bed being even from top to bottom rather than seeming significantly shorter at one end. For as long as it was in position, it stayed in the middle. With some sheets, I wake up to an asymmetrical arrangement in which the sheet has changed and the mattress seems exposed in a corner. This happens because I move about a lot when I am under the influence of sleep. As a result of using this sheet, the corners have stayed tight, and I have not needed to stop and adjust the bed each morning anymore. The second test is what occurs while the subject is really sleeping. As someone who sleeps on their side and often switches positions, I am acutely aware of any instances in which a sheet begins to bunch beneath my knees or tighten across the middle of the bed as I flip over. I will not be waking up to tug this sheet back into place since it has been flat for a sufficient amount of time. Even on evenings when the room is warmer than normal, it has made the bed remain continuously comfortable from the time I lie down until the morning. This is perhaps the most essential benefit.
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Reviewed in the United States on January 3, 2026 by JEFF
Getting this mattress set up was easier than I expected. It arrived compressed in a box, and once unwrapped, it expanded nicely within a day or so. I’ve been sleeping on it for about two weeks now, and the medium firm feel hits a comfortable balance. It’s supportive without feeling hard, and the top layer has just enough cushioning to ease pressure on my shoulders and hips. I tend to switch between back and side sleeping, and it’s worked well for both. The pocket springs do a good job limiting motion too, so movement on one side isn’t very noticeable. It also sleeps fairly cool compared to my old foam mattress. For a mattress-in-a-box option, this one feels thoughtfully made and comfortable for everyday use.
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Reviewed in the United States on February 16, 2026 by Chris
Absolutely love this 12 inch Twin XL mattress. It’s the perfect balance of comfort and support. The thickness makes a big difference, it feels plush on top but still keeps my back properly aligned. I sleep through the night without tossing and turning, and I wake up without soreness. It expanded quickly, has no weird smell, and fits my Twin XL frame perfectly. Great quality for the price and ideal for dorms or anyone needing extra legroom.
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Reviewed in the United States on January 27, 2026 by Amazon customer