Firm King Size Mattress [New Version], 12 Inch Gel Memory Foam Hybrid Mattress King Bed in a Box, Pressure & Pain Relief, Individual Pocket Spring, Edge Support, CertiPUR-US
Condition: New
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
Only 10 left in stock, order soon!
Arrives
Nov 26 – Nov 27
Color: White
Size: King
Style: 12 Inch
Features
- BETTER SUPPORT & PRESSURE RELIEF: LETMOON 12 inch king size memory foam mattresses adopts 7-layer hybrid design, that base on our years of mattress research, and it is an ergonomic practice, with a load capacity of 700 pounds, provides firm support. No fiberglass
Brand: LETMOON
Size: King
Product Dimensions: 80"L x 76"W x 12"Th
Item Firmness Description: Firm
Top Style: Euro Top
Number of Layers: 7
Fill Material: Gel Memory Foam
Special Feature: Pressure Relief
Color: White
Material: Gel Memory Foam, Knitted Fabrics
Item Weight: 103.8 pounds
Product Dimensions: 80 x 76 x 12 inches
Item model number: 12 Inch King Mattress -LMS72752
Age Range Description: Adult
Date First Available: September 26, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Nov 26 – Nov 27
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Color: White
Size: California King
Style: 14 Inch
Bed is everything as expected , nice mattress for the price point thought it was going to be too firm is just right on the comfort level , old manage was showing its age at 9 years old , vey happy with the purchase
Reviewed in the United States on October 30, 2025 by Mike
Color: White
Size: California King
Style: 14 Inch
This bed is perfect! Best nights of sleep I’ve had as an adult! I purchased the California King 14” and it definitely exceeded my expectations. I sleep on my sides, stomach, and back… it’s comfy in every position.
Reviewed in the United States on October 26, 2025 by Valerie Barrineau
Very comfortable bed! Arrived in great condition and easy to set up. It began to plump up immediately but did take a full 24 hours to fully reach its size. It's just the right mix of soft and firm. I gave it to my older son for his birthday and the mattress rests on a metal frame without issue. He absolutely loves it over his old traditional spring mattress.
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Reviewed in the United States on October 14, 2025 by MineandYours
This mattress is in our spare room. We have been told that it’s comfortable and stays cool over night, no heat trapping. It came in box and was easy to set up.
Reviewed in the United States on August 15, 2025 by Andrea Sischo
It is Great, I love it because it’s comfortable I have not woke up with a backache since I started sleeping on this the other bed that I had I could fill the spring sticking in me and it made my back hurt. This bed is awesome. I would recommend it to anyone I also love that it has the two drawers at the bottom for storage. I can put whatever I want in there whether it be blankets or I can put like a little board down there and put like my crochet stuff down There and I like the headboard that it’s got those spaces where I can put my phone my iPad it’s got the charging station where I can hook up my chargers for my phone and stuff right there at the head where I don’t have to go getting up and go hunting for something to charge. It’s right there. I also love the side pockets on it because you can put your remotes in there and all you have to do is just re-right there and get it. You ain’t gotta get up and walk over to a table or something to pick up a remote. I have degenerative spine disease also a cancer patient I stay in a lot of pain a lot of times and this helps a lot whenever I’m feeling bad all I have to do is just go lay in my comfy bed and just relax and I start feeling 100% better.
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Reviewed in the United States on August 17, 2025 by Annie M Borden
Extremely comfortable bed. Well made and easy to set up. I let it fill out for 48 hours. A great buy. Highly recommend.
Reviewed in the United States on October 19, 2025 by Mari
Color: White
Size: King
Style: 12 Inch
When we look at the product photo, we think it will be similar, but what I received is different; the height is different, it's not sturdy, and the image shows a vignette, but it doesn't even come with that. I completely disagree with the product.
Reviewed in the United States on November 12, 2025 by Mario Moreno
Color: White
Size: California King
Style: 14 Inch
Great mattress, good quality for the price. Didn't even have a funny smell like most memory foam, do
Reviewed in the United States on October 9, 2025 by john