12 Inch King Mattress, Hybrid Medium Firm Memory Foam Mattress with Innerspring, Reinforced Edge Support, Cooling Gel Pillow Top, Pressure Relief & Motion Isolation, Bed in a Box, Full/Queen Size
Condition: New
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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.
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Availability:
Only 5 left in stock, order soon!
Arrives
Saturday, Jan 10
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Size: King
Style: 12inch
Features
- Reinforced Edge Support No More SaggingOur hybrid mattress features reinforced edge support, ensuring superior durability and stability. Say goodbye to sagging edgesenjoy full support from corner to corner, making it easier to sit or sleep near the edge without sinking.
- Hybrid Design for Optimal Comfort & SupportDesigned with a medium firm feel, this memory foam + innerspring mattress offers pressure relief and balanced support. The gel-infused memory foam contours to your body, while individually wrapped coils provide targeted support and reduce motion transfer.
- Cooling Gel Memory Foam for a Refreshing SleepStay cool all night! Our cooling gel memory foam layer absorbs excess heat and promotes airflow, keeping you comfortable and sweat-free. Perfect for hot sleepers looking for a breathable and refreshing sleep experience.
- Motion Isolation for Undisturbed SleepEnjoy peaceful, undisturbed rest with our motion-isolating design. The individually wrapped coils absorb movement, reducing disturbances from a restless partner. Ideal for couples and light sleepers.
- CertiPUR-US Certified & 10-Year Warranty Bed in a BoxOur mattress is CertiPUR-US certified, ensuring high-quality, toxin-free materials for a healthier sleep. Shipped in a compact box, its vacuum-sealed for easy setupjust unbox, unroll, and let it expand for 24-72 hours. Backed by a 10-year warranty, giving you peace of mind for years to come. Available in Full, Queen, and King sizes.
Brand: HASNINGA
Size: King
Product Dimensions: 80"L x 76"W x 12"Th
Top Style: Euro Top
Cover Material: Cotton
Number of Layers: 1
Fill Material: Individually Pocketed Coils, Memory Foam
Weight Limit: 700 Pounds
Special Feature: Breathable, Durable, Pressure Relief
Color: Grey+orange
Product Dimensions: 80 x 76 x 12 inches
Item Weight: 88 pounds
Manufacturer: HASNINGA
Item model number: cheng 12in king
Date First Available: February 7, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jan 10
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.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
Similar Products
Top Amazon Reviews
Size: Full
Style: 12inch
We bought this mattress for our son’s room, and it has been an excellent purchase from start to finish. It arrived quickly, packed neatly in a box, and was surprisingly easy to unbox and set up. It expanded fully within a few hours and had no strong chemical smell, which was a big plus for us. The mattress has the perfect level of firmness for a growing child – supportive but still soft and cozy. Our son says it’s really comfortable, and we’ve noticed he’s been sleeping more soundly and waking up more refreshed. Another thing we love is the quality. The stitching and materials feel durable, and it doesn’t sag or sink in weird spots like some cheaper mattresses tend to do. Plus, it fits perfectly in his bed frame. Overall, this is a great value for the price. If you’re looking for a mattress for a child or teen, I highly recommend this one – we’re really happy with it, and so is our son!
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Reviewed in the United States on July 11, 2025 by chace w.
Size: Queen
Style: 12inch
I was skeptical on getting a mattress on Amazon I saw this one said ill try it came in it was heavy you dont beed instructions its really simple and easy with the lil blade it didnt explode lay flat on frame start at the bottom edge to edge and bingo opened up like 5 mins its comfortable not to hard not to soft cant feel movement either great price great quality love it
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Reviewed in the United States on April 30, 2025 by joy mieth
Size: Full
Style: 12inch
Very comfortable mattress, Also, looks great, amazing for the price !!!
Reviewed in the United States on September 25, 2025 by Seville Ali
Size: Queen
Style: 12inch
I bought this mattress a few weeks ago, and so far, I’m very satisfied. It’s comfortable, provides good back support, and doesn’t sag. I wake up feeling well-rested, without any back pain or stiffness. The material is pleasant to the touch and breathable, so it doesn’t get too hot, even in warm weather. Overall, great value for the price. Highly recommend!
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Reviewed in the United States on March 31, 2025 by ARTUR ARTUR
Size: Queen
Style: 12inch
This is a great mattress at a great price! I replaced my Nectar premium memory foam mattress with this mattress and my wife and I could not be happier. The Nectar was just too soft and we felt like we were sinking in too much. We have had other memory foam mattresses in the past that we liked. This hybrid is the best. It gives you a nice bit of softness with the needed firmness from the springs. You will get a bit more bounce than memory foam, but we find it to bee supper comfortable. You can't beat this price for a hybrid.
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Reviewed in the United States on April 11, 2025 by Beachbum
Size: Full
Style: 12inch
So comfy and nice
Reviewed in the United States on November 1, 2025 by Nadia
Size: Queen
Style: 12inch
I am writing to you to respond to your the new HASNINGA mattress I purchased. In laymen terms, OUTSTANDING in all aspects. The price was GREAT and the comfort was SUPERIOR. I have NOT sleep well in many years. Since the past week, I have slept the like a baby. My back pain has decreased SIGNIFICANTLY. I would HIGHLY RECOMMEND this mattress to anyone. Thanks. G R Holcomb
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Reviewed in the United States on April 5, 2025 by Garland Holcomb Garland Holcomb
Size: Full
Style: 12inch
Great value for the price! I am pleasantly surprised by how comfy this mattress is. The pillow-top is substantial and the mattress provides very good support. It's perfect for our college-age daughter's room, which doubles as a guest room when she's away. I did hesitate in buying online before trying, but the dread of having to deal with pushy mattress salesmen made the decision for me. The mattress arrived shrink-wrapped and free of damage. I released it from the plastic wrapping and let it sit overnight on the floor to puff back up. Definitely recommend.
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Reviewed in the United States on April 21, 2025 by S is for Steph