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King Size Mattress, 12 Inch King Mattress in a Box with Memory Foam and Individual Pocket Springs, Motion Isolation, Pressure Relief, Medium Firm Feel, Cool & Comfortable Sleep, Breathable

  • Based on 76 reviews
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Size: King


Style: 12inch


Features

  • Motion Isolation for Peaceful Nights at Home This mattress king size combines 1000+ individually wrapped coils with supportive foam to absorb movement at its source, reducing partner disturbance and creating a calm sleep space. Whether your partner tosses, a child climbs in after a bad dream, or a pet hops up for morning cuddles, motion isolation helps keep your rest undisturbed. Ideal for couples, parents, and light sleepers seeking truly restorative sleep
  • Breathable Comfort for Cool & Cozy Sleep This mattress king size features contouring foams with built-in airflow channels that help release excess heat and circulate fresh air. The breathable design keeps the surface cool during hot summer nights and comfortably cozy when winter comes, creating year-round balance for every sleeper. Perfect for hot sleepers, guest bedrooms, or family use where consistent comfort truly matters
  • Balanced Edge Support for Everyday Sleep After a long day, this king mattress in a box offers the right mix of gentle cushioning and steady support, adapting to side, back, and combination sleepers. Reinforced edges give you more space to stretch without feeling like youll roll off, while its versatile design fits perfectly in apartments, teen rooms, dorms, or guest bedroomsbringing reliable comfort to every corner of your home
  • Easy & Convenient Set up for Stress-Free Living This firm king mattress arrives neatly compressed in a box, making delivery and moving through hallways or staircases simple. Just unbox, unroll, and allow it to expand fully within 4872 hours. Designed for modern living, it fits seamlessly into apartments, dorms, or family bedrooms, offering an easy upgrade to lasting comfort without the hassle of heavy lifting or complicated set up
  • Fits Most Beds, Supports Every Dream Create your perfect sleep sanctuary with a mattress that adapts effortlessly to any bed setup. Whether its a box spring, slatted base, flat platform, adjustable bed, hospital bed, or even right on the floor, this mattress fits with ease. Thoughtfully engineered to support up to 500 lbs, it delivers reliable comfort and stability every night, letting you rest peacefully and wake up refreshed, ready to embrace your day

Brand: WFGEY


Size: King


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


Item Firmness Description: Medium


Top Style: Pillow Top


Cover Material: Cotton+Polyester


Number of Layers: 8


Fill Material: High Density Foam


Special Feature: Pressure Relief, Breathable, Temperature Regulating, Low Motion Transfer, Pain Relief, Fiberglass Free, Body Support, Durable, Pocketed Coil, Edge Support See more


Color: White With Black


Product Dimensions: 80 x 76 x 12 inches


Item Weight: 74.8 pounds


Manufacturer: WFGEY


Item model number: 12K


Date First Available: September 16, 2025


Age Range Description: ALL AGE


Frequently asked questions

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View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Meets Expectations
Size: King Style: 12inch
I purchased this WFGEY 12-inch King Size Mattress to replace an aging bed. The support profile is impressive, firm enough to maintain spinal alignment, yet soft enough to relieve pressure points. Zero motion transfer. You get uninterrupted rest even when your partner shifts position. The cooling layer works. You stay comfortable through the night with no heat buildup. The mattress expanded fully within hours, with no lingering odor. Build quality feels premium and durable. If you want a reliable, comfortable, and well-engineered mattress at a competitive price point, this is a high value purchase. You get a strong ROI in sleep quality from day one. I would recommend it without hesitation. ... show more
Reviewed in the United States on December 5, 2025 by Xrix

  • Comfortable Mattress That Improved My Sleep
Size: Queen Style: 12inch
This mattress arrived in a compact size, but it’s still quite heavy, so I recommend having two people carry it. The packaging was very thorough, multiple layers of plastic kept the mattress well-protected, and the included tool made it easy to open without causing damage. After unwrapping it and letting it expand for a while, it turned into a perfect mattress. The feel is great: it’s bouncy, the top memory-foam layer is soft, and the spring base provides strong support. After just one night, it greatly relieved the back pain I had been dealing with for months. The motion isolation is also excellent! I’m a very light sleeper, and I barely notice my partner moving. Overall, it’s a great value for the price. ... show more
Reviewed in the United States on November 29, 2025 by Sharon H Sharon H

  • Excellent Mattress at an Excellent Price
Size: Queen Style: 12inch
I’m more than satisfied with this queen mattress. It arrived quickly, was easy to set up, and feels fantastic. The firmness is perfect. Not too soft, not too hard. Very supportive without being uncomfortable. It has worked wonders for my back. I’ve been getting an excellent nights sleep and waking up pain free. The quality for the price is excellent. Definitely just as comfortable as those big budget mattresses. I highly recommend it to anyone looking for a supportive and comfortable mattress. ... show more
Reviewed in the United States on November 16, 2025 by Ray 3rd

  • Comfortable and Good Back Support
Size: Queen Style: 12inch
This is a very comfortable mattress. It perfectly replaced my old queen size matress and fits well on my queen size framework. It came in a box, rather heavy, and compressed. Quite easy to move around. It comes with a paper blade to help you open the package, which I find thoughtful. It expands very fast, once I opened the package, it inflates fast too. I was bit concerned with the scent of a new bed, but luckily, as some reviews said, this doesn't come with any unpleasant smell. I was able to sleep on it the day I received it. It is a high quality item, strong back support and still soft on the top (it comes with a quilt on the top to add softness i think). Doesn't have noise when I move around on it. Very thick (12 inch) so could potentially be used without a bed frame. I like it and the price is a bargain with the quality. ... show more
Reviewed in the United States on November 19, 2025 by Xx

  • Great Comfort and Value
Size: Queen Style: 12inch
This WFGEY queen mattress exceeded my expectations. The mattress feels soft yet supportive, and I wake up without back stiffness. Motion isolation is excellent. I barely feel my partner move at night. It also stays comfortably cool, which is a big plus for me as I am a hot sleeper. Setup was easy: unbox, unroll, and let it expand. The edge support feels solid, and it fits well on our platform frame. Overall, a comfortable, breathable, and affordable upgrade. Highly recommended! ... show more
Reviewed in the United States on December 6, 2025 by Satyajith

  • Comfortable, Supportive, and Worth Every Dollar
Size: Queen Style: 12inch
I’ve been using this WFGEY 12-inch queen-size mattress for a while now, and it’s honestly one of the best purchases I’ve made for my bedroom. It arrived tightly rolled and well-packaged, and it expanded quickly within just a few hours. There was almost no odor, which was a pleasant surprise. The mattress feels medium-firm — soft enough on top for comfort, yet firm enough to give great support for my back. I sleep mostly on my side and sometimes on my back, and it feels perfect either way. The memory foam contours nicely to my body, and I wake up without any back pain or stiffness. The cover fabric feels smooth and breathable, and I like the “Make Sleep Better” design label on the side — it actually does make my sleep better! The mattress stays cool during the night and doesn’t trap heat like some other foam beds. For the price, this mattress exceeded my expectations. It feels high-quality, looks premium, and offers great support. Definitely recommended if you want comfort and affordability in one! ... show more
Reviewed in the United States on November 11, 2025 by LiangZi LiangZi

  • Comfortable
Size: King Style: 12inch
Very comfortable!! No issues!
Reviewed in the United States on December 19, 2025 by S. Farley

  • Easy set up and gives good body support
Size: Queen Style: 12inch
I replaced this memory foam mattress with my old one. I have been trying for two weeks now and my night sleep went well. It sinks in at all the right spots when I lay on it, and it makes all of my body feel supported. I have a cotton mattress protector on top of it so it doesn't get too hot when I am asleep. The motion isolation is better than traditional mattress since it reduced the movement a lot. The price is very unbeatable and overall it's a good quality. ... show more
Reviewed in the United States on December 14, 2025 by Susie

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