Onlylucky King Size Mattress, 12 Inch Gel Memory Foam King Mattress with Pocket Spring for Pressure Relief & Motion Isolation, Premier Comfort Night Sleep, Medium Firm Bed in a Box, CertiPUR-US
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30-day refund/replacement
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:
Only 3 left in stock, order soon!
Arrives
Tuesday, Jul 1
Style: 12 Inch
Size: King
Features
- King Size Mattress: Premium Comfort and Support:Experience unparalleled comfort and support with our 12-inch king size mattress, designed to provide a luxurious and restful sleep experience. As a king mattress, it combines the best of both worlds with its hybrid construction of gel memory foam and individually wrapped pocket springs
- Ergonomic Design for Healthier Sleep:Designed with ergonomics in mind, our OnlyLucky hybrid king mattress includes 7 distinct sleep zones that conform to the natural contours of your body. These zones help distribute weight evenly, reducing pressure points and promoting healthy spinal alignment, ensuring a restful and pressure-free sleep
- Advanced Support System: Our OnlyLucky king size mattress features individually wrapped pocket coils that offer pinpoint support, ensuring that movements on one side of the mattress do not disturb the other side. This mattress design promotes undisturbed sleep even when your partner moves during the night, enhancing the overall quality of your rest
- Enhanced Comfort and Safety: Crafted with premium gel memory foam and an extra-thick layer of foam, our king mattress provides enhanced comfort and relaxation. The high-quality materials ensure a safe and luxurious sleeping experience, making it the perfect choice for anyone seeking a balance between support and softness
- Innovative Materials for Optimal Sleep:Utilizing advanced nano foam technology, our king bed mattress ensures optimal breathability and temperature regulation. The 3D breathable fabric cover enhances air circulation, keeping you cool and comfortable throughout the night. The skin-friendly material promotes a restful and rejuvenating sleep environment
- Exceptional Customer Service: It comes conveniently packed in a box, making it easy to transport and set up. Please allow 24 to 72 hours for your mattress to fully regain its shape after unboxing. Plus, we offer exceptional customer service and a satisfaction Solution to ensure you have a seamless and satisfying experience from purchase to use
Brand: Onlylucky
Size: King
Product Dimensions: 80"L x 76"W x 12"Th
Top Style: Euro Top
Cover Material: Exquisitely Soft & Breathable Fabric
Number of Layers: 2
Fill Material: Gel Memory Foam
Weight Limit: 650 Pounds
Special Feature: Orthopedic, Pressure Relief
Color: Grey
Product Dimensions: 80 x 76 x 12 inches
Item Weight: 67.9 pounds
Manufacturer: Onlylucky
Item model number: 12 Inch Mattress
Date First Available: March 1, 2025
Age Range Description: all ages
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Jul 1
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.
Similar Products
Top Amazon Reviews
Style: 12 Inch
Size: California King
We are 1 month into our new mattress. It's pretty great. We needed firm and although ita cozy and soft on top, overall it provides good support. Our bed frame has high sides so it fits snug in there. But we are happy with overall quality!
Reviewed in the United States on May 5, 2025 by Trisha Jackson
Style: 12 Inch
Size: California King
Very comfortable exactly what my husband and I have been looking for. No more sore bodies
Reviewed in the United States on May 18, 2025 by susan Lowery
Style: 12 Inch
Size: Full
Heavy but firm. Good value for price. A little oversized for my daughter’s day bed and we expected it to have a little more softness to it. Will have to add a memory foam topper.
Reviewed in the United States on April 29, 2025 by Heather Dobbs
Style: 12 Inch
Size: King
The media could not be loaded. For the price, I'm really happy with this bed. It came wrapped and rolled in a plastic sheet. It expanded nearly instantly on unwrapping and I didn't notice any chemical smells or anything of that nature Pros: Cost was low, less than 3 big ones for a king size Can't feel the springs King size is so spacious! The cover is soft, and pretty cool to the touch. Supports well. Cons: This is a budget bed, and the durability is a little low. Mine arrived with a tear in the corner. It's cosmetic, so I'm not too bothered and it'll be covered with a sheet, but I was surprised to see how thin the material is on the sides of the bed. It appears to be non-woven fabric. The bed also sinks down pretty bad on the corners / unsupported sides. So far not a big problem, but noticeable enough. I also bought a 6 inch foam topper for the bed to add a little more poof, since the bed itself has a relatively thin layer of memory foam. Overall, I'm pretty happy with this bed for the price I paid. It was the lowest cost option for the size, a brand new decent king size mattress at this cost is pretty hard to find. We just moved and struggled to get something delivered, this is infinitely better than the floor at a small price point. Hope this was helpful for you!
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Reviewed in the United States on March 28, 2025 by Casey
It's a good mattress, but if I had to buy it again I would probably go for a softer one.
Reviewed in the United States on May 3, 2025 by Lee M. Hughes
Style: 12 Inch
Size: King
I am very pleased with this mattress, just the right amount of firmness but soft enough to be comfortable. I would have never thought a king size mattress would fit in a box but it did and we love it!!
Reviewed in the United States on April 22, 2025 by Bill C.
Style: 12 Inch
Size: California King
Cali king does not fit my Cali king frame!! Very disappointed! Also***** Just bought a new house! Waited for a new bed for almost a week… set it up opened the bed and bed set I also bought on Amazon they all were delivered AT THE SAME TIME!! I go to relax in the bed now that it’s made… and a BED BUG crawls out of the bed frame! I’m so disgusted! I’ve never had a bed bug before and now the frame is too big to fit through the doors to put it outside! Idk if it came from the frame or the bed or the bed set ! But it definitely came from Amazon!!!
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Reviewed in the United States on May 5, 2025 by Crystal Crystal
Style: 12 Inch
Size: King
After extensive research and consideration, I decided to purchase the Only Lucky King Firm Mattress, and it has exceeded all my expectations. This mattress strikes the perfect balance between firm support and comfortable cushioning, making it an excellent choice for anyone seeking quality sleep without breaking the bank.
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Reviewed in the United States on April 17, 2025 by Alex Thrash