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King Size Mattress, 12 Inch Hybrid King Mattress in a Box, Medium Firm Mattresses with Memory Foam & Pocket Springs, Pressure Relief, Enhanced Edge Support, CertiPUR-US Certified

  • Based on 143 reviews
Condition: New
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$209.99 Why this price?
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Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon

Arrives Wednesday, Dec 24
Order within 23 hours and 55 minutes
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Size: 12 Inch King


Features

  • Breathable & Temperature-Regulating: Engineered with air-flow fabrics that enhance breathability and promote internal air circulation. This design helps dissipate heat and moisture, keeping your sleep surface cool and dryideal for hot sleepers or those sensitive to temperature shifts during the night.
  • Dual-Layer Comfort with Pocket Springs: Combining a plush top layer with a high-resilience independent pocket spring system, this medium firm mattress contours to your body while providing even support. It prevents excessive sinking and adapts to your sleeping position for balanced comfort and proper posture alignment.
  • Motion Isolation for Undisturbed Rest: The responsive pocket spring system works independently to absorb movement and reduce disturbances caused by tossing and turning. Whether you sleep with a partner or change positions frequently, this feature maintains consistent support while minimizing sleep interruptions.
  • CertiPUR US Certified Safe Materials: Our king size mattress uses certified memory foam that has been independently tested to be free of harmful chemicals and low in VOC emissions. This ensures a healthier sleep environment with minimal odor, so you can rest easy knowing your mattress meets strict standards for safety and quality.
  • Ergonomic Zonal Support System: Designed with targeted zones to deliver differentiated support for your shoulders, waist, and legs. This 12-inch hybrid king mattress helps maintain spinal alignment in a natural curve while reducing pressure points, offering both comfort and stability throughout the night.
  • Note: Please allow up to 72 hours for your mattress to fully expand after unboxing. For any questions, our customer support team is always ready to assist.

Brand: Giovanly


Size: 12 Inch King


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


Top Style: Euro Top


Cover Material: Polyester


Number of Layers: 4


Fill Material: Gel Memory Foam


Weight Limit: 950 Pounds


Special Feature: Vacuums


Color: Grey


Product Dimensions: 80 x 12 x 76 inches


Item Weight: 68 pounds


Manufacturer: Giovanly


Item model number: B0F9YZ2FYM


Date First Available: July 10, 2025


Age Range Description: ALL


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Dec 24

Yes, absolutely! You may return this product for a full refund within 100 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Overall good mattress
Size: 12 Inch Full
So overall, the mattress is really great for the price. I bought two for my RV. My kids love it. My husband loves it. I however prefer something a little bit softer/plush, so I guess it really goes off of your size and your weight. For me it feels firm, does eventually give in to your form but i do toss and turn throughout the night. My husband prefers this mattress. For him it’s firm but still soft and comfortable that he sleeps well. Overall. Great mattress, filled in immediately. No smell, packaged well. ... show more
Reviewed in the United States on August 22, 2025 by C.Scav C.Scav

  • comfort
I bought this mattress for my child, and I’m very happy with it. The firmness is just right – not too hard and not too soft – which gives good support while still being comfortable. My child sleeps through the night without any issues. The cover feels soft and breathable, and it’s easy to keep clean. and the mattress quickly expanded to its full shape. The size fits perfectly on the bed and looks neat and tidy. Overall, this is a great quality mattress at a very good price, especially for kids. ... show more
Reviewed in the United States on August 16, 2025 by linda linda

  • COMFORTABLE, QUALITY AND GOOD PRICE
Size: 12 Inch Full
This mattress is very comfortable and gives good support. I’ve been sleeping on it for a few weeks now and have been waking up feeling rested, without any back or neck pain. It’s not too soft or too firm — just right for me. The setup was easy, and there was almost no smell when I opened it. Overall, it feels well-made and worth the price. ... show more
Reviewed in the United States on September 17, 2025 by Lynn

  • Comfortable and good quality
Size: 12 Inch Full
The media could not be loaded. This mattress is very comfortable and gives good support. I’ve been sleeping on it for a few weeks now and have been waking up feeling rested, without any back or neck pain. It’s not too soft or too firm — just right for me. The setup was easy, and there was almost no smell when I opened it. Overall, it feels well-made and worth the price. ... show more
Reviewed in the United States on August 11, 2025 by Zhiyuan Ning Zhiyuan Ning

  • Great Purchase
Size: 12 Inch Full
This is the first time I have woken up without hip pain in a very long time. This bed is comfortable and firm, but not too firm. I don’t toss and turn like I usually do. I’m happy with my new bed.
Reviewed in the United States on October 7, 2025 by Vonetta

  • Great buy!
Size: 12 Inch Full
Comfortable, perfect size, great value for the money, the quality is fantastic for the price, it did smell just a little when we initially opened it, but it wasnt a bad smell. It is quite firm which is good because I was afraid it would be too squishy being memory foam.
Reviewed in the United States on September 30, 2025 by Alora

  • Great Value and Comfort
Size: 12 Inch Full
Excellent price and quality.
Reviewed in the United States on October 7, 2025 by Michael

  • It is not medium soft
Size: 14 Inch Queen
I recently bought this mattress and I’m very disappointed. It’s advertised as medium-soft, but it feels extremely hard. I woke up with back and neck pain, my back feels stiff, and I don’t feel rested at all — quite the opposite. The mattress quality seems very poor, and it has already been opened so I’m not sure what to do now. I wish I could just return it because it’s nothing like what was promised and it’s really affecting my sleep and comfort. ... show more
Reviewed in the United States on September 28, 2025 by Sasha

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