King Mattress,12 Inch King Size Hybrid Mattresses in a Box, Memory Foam and Independent Pocket Springs for Pressure Relief, CertiPUR-US Certified, Medium Firm
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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:
Unavailable
Size: King
Style: 12Inch
Features
- Better Supprot and Sweet Sleep :10 inch king size mattresses features a unique blend of individually pocketed coils and memory foam, providing balanced weight distribution from head to toe. This innovative design minimizes pressure points, eases body tension, and helps reduce fatigue and discomfort, offering you a rejuvenating nights sleep and enhancing your overall rest quality.
- Independent Support: Designed with high-quality pocket springs and slow-rebound foam, this mattress effectively absorbs noise and motion from turning during sleep, ensuring no disturbance to your partner. Hundreds of independent pocket springs provide exceptional shock absorption and elasticity, adapting to your body for improved sleep quality and peaceful rest.
- Breathable and Clean Design:This hybrid king-size mattress features premium anti-pilling knitted fabric, offering a soft and breathable sleep surface. The comfort foam layer is embedded with millions of air pores, promoting airflow to keep you cool and comfortable throughout the night. All memory foam is CertiPUR-US certified, ensuring it is free from any harmful substances.
- Edge Support and Pressure Relief: Queblox mattress is designed with reinforced edge springs to prevent sagging and maintain shape, offering lasting durability and stability. This spring system aligns with your spines natural curvature, reducing pressure points and encouraging proper sleep posture for a more comfortable rest.
- Convenient King Mattress in a Box:Shipped compressed,rolled, and boxed for easy transportation and setup. When unpacking, please maintain a safe distance from the mattress. After removal from the packaging, please allow 48 hours for the mattress to fully expand for maximum comfort and support.
Brand: Queblox
Size: King
Product Dimensions: 80"L x 76"W x 12"Th
Item Weight: 86 Pounds
Item Firmness Description: Medium
Top Style: Euro Top
Cover Material: Polyester Blend
Number of Layers: 3
Fill Material: Foam
Special Feature: Pressure Relief
Product Dimensions: 80 x 76 x 12 inches
Item Weight: 86 pounds
Manufacturer: Queblox
Item model number: SLC-580
Date First Available: December 27, 2024
Age Range Description: Adult
Frequently asked questions
This product is currently out of stock. Please check back later for shipping info.
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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Similar Products
Top Amazon Reviews
Size: Full
Style: 12Inch
I was pleasantly surprised by the quality of this mattress, especially considering the price. At around the $200 range for a full size, I was expecting something pretty basic and thin, but this one is a full 12 inches thick and feels quite well made. It came conveniently rolled up in a box, which was a huge plus—no need to rent a truck or worry about bulky delivery logistics. Once opened, the mattress began to expand almost instantly. It’s kind of amazing to watch how thin and tightly vacuum-sealed it is, then watch it inflate to full size in just minutes. Another thoughtful touch: it has handles at the end that make it much easier to move into position. Small detail, but really appreciated when you’re handling a mattress by yourself. As someone who prefers a firmer mattress, this one fits the bill. It’s not too soft like some memory foam mattresses I’ve used in the past, and it has a similar firmness to a traditional spring mattress. The hybrid design seems to strike a good balance—supportive, but still comfortable. It even includes a nice topper layer for added comfort. All in all, this is a great product for the price. Highly recommend if you’re looking for an affordable, no-fuss mattress with solid support and comfort.
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Reviewed in the United States on April 25, 2025 by zz zz
This 12-inch hybrid queen mattress is a great value. I use it in my kid's bedroom and she enjoys it so far. The memory foam and pocket springs give the perfect mix of softness and support. It expanded quickly with barely any smell and sleeps cooler than all-foam options. Motion isolation is excellent for couples. For the price, it’s way comfier than store-bought mattresses.
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Reviewed in the United States on April 13, 2025 by Wwz Wwz
Size: Full
Style: 12Inch
This is a very nice mattress. I bought a full-size for my guestroom and my granddaughter slept in it and she said it was very comfortable. She’s 12 years old.
Reviewed in the United States on October 15, 2025 by LINDA
Its a nice bed for the price but it could be more firm on the outside corners. If you are heavy and you buy this bed just make sure you rotate it ever 2 to 3 months . Over all like I said worth the money. I spent like 3 weeks reading reviews and looking at different options and this one worked. It's soft And comfortable. Only issue is im a side sleeper and the edges arnt super supportive. Not completely flimsy but some where in the middle.
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Reviewed in the United States on October 11, 2025 by Emily C.
It’s such a nice bed!!!! I absolutely love it!!! Heads up though: READ THE DIRECTIONS. I didn’t and when I opened the mattress it flew out lol
Reviewed in the United States on October 14, 2025 by Savana Wilfong
Good mattress and happy with the price
Reviewed in the United States on February 24, 2026 by Anissa Anderson
Size: Full
Style: 12Inch
Good mattress for the price.I had to add a mttress topper to make comfortable for me.
Reviewed in the United States on July 16, 2025 by David J Turgeon
Size: King
Style: 12Inch
One of the best mattresses I've ever owned! It says its medium firm, so I did put on a foam topper, since im not a fan of firm mattresses, but this mattress doesn't need it if you prefer that. Im pretty much i got it under $300, which is unheard of nowadays. I've only been sleeping on it for the past 2 nights since moving into a new place, but I'm already getting a full night sleep!
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Reviewed in the United States on August 25, 2025 by Carrie