King Size Mattress, 14 Inch King Mattress in a Box, Cooling Gel Memory Foam Hybrid Mattress with Pocketed Coils, Medium Firm Feel, CertiPUR-US Certified, Pressure Relief, Motion Isolation
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90-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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Color: Grey
Size: King
Style: 14 Inch
Features
- Harmless: Our mattress surface consists of no harmful substances. The high quality stretch knit fabric is anti-pilling, skin-friendly and durable. Pregnant women and children can sleep on our mattress with confidence
- Suitable for All Sleepers: Lynnbery 14 Inch king mattress takes full account of ergonomics, Hybrid Mattress consists of high-density memory foam and hundreds of individually pocketed springs that adapt to a variety of sleeping positions, conforming to every part of the body for better pressure relief, making it ideal for all body types and sleeping positions
- Silent & Peaceful Sleep: Individual pocketed coils minimize noise and motion transfer on the mattress. It reduces disturbances caused by movement and ensures that both partners enjoy a peaceful night's sleep
- Mattress in a Box: This 14 Inch king size mattress is compressed and packed in a box for easy transportation to your room. No complicated installation is required. After opening the mattress, please allow 48-72 hours for the mattress to fully decompress and dissipate potential odors. This mattress fits most bed frames, box springs, slatted bed frames, platform beds or metal grids, etc. and installs effortlessly
- Worry-Free&Guarantee: Get a worry-free night's sleep with Lynnbery mattress. Our hybrid mattresses are backed by a 10-year guarantee. We insist on making high quality mattresses to ensure your satisfaction. Please contact us for any feedback and questions about our mattress! Our support team will help you at any time
Brand: Lynnbery
Size: King
Product Dimensions: 76"L x 80"W x 14"Th
Item Weight: 79 Pounds
Item Firmness Description: Medium
Top Style: Pillow Top
Cover Material: Polyester
Number of Layers: 3
Fill Material: Gel Memory Foam
Weight Limit: 800 Pounds
Item Weight: 79 pounds
Product Dimensions: 76 x 80 x 14 inches
Item model number: 1
Age Range Description: All Age
Date First Available: June 5, 2024
Frequently asked questions
This product is currently out of stock. Please check back later for shipping info.
Yes, absolutely! You may return this product for a full refund within 90 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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Top Amazon Reviews
Color: Grey
Size: Full
Style: 12 Inch
This matters is so good that sometimes it could lead you to even sleep in!!, it's a very comfortable mattress, My daughter is absolutely IN-LOVEEE-- I believe this mattress will be a good purchase for anybody!, it comes air sealed so if you hear any noises when you begin to open it, that may be the mattress expanding me and my husband were shocked at first. But then we realized that it was the mattress expanding. It does take up a lot of space, but I believe it's worth it-- If you have a growing child. Overall, this mattress is well cushioned soft-- my daughter woke up with back pain from her last bed. But now she is well rested-- she likes to sit in the bed and lounge, because of how comfortable it is! This was a great purchase.
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Reviewed in the United States on October 26, 2025 by Lorie Lorie
Color: Grey
Size: Queen
Style: 14 Inch
Easy ordering. Affordable price and good quality mattress. It was great to receive the mattress via deliver and super easy to unpack. I appreciate the included film cover to prevent any box cutter issues. The mattress unpacked easily. You’ll need two people to help prevent the wrapping from bursting as you get closer to the end. The mattress will begin expanding immediately as it is released from the wrapping. The queen is a perfect size for our spare room and was comfortable for two plus size adults. Pillowy soft top with a soft, yet supportive feel to it. None of the back sleepers sank into the mattress.
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Reviewed in the United States on July 31, 2025 by ChicCaliHiker
Color: Grey
Size: New Queen
Style: 12 Inch
Great mattress for the price. Have had this mattress for a year now and there is a little dip in the middle but it’s cause that is where my husband chooses to sleep. Comfy and may last 2 more years but after that will most likely end up looking for a new one. Would be great as a guest bed that doesn’t get slept on every night.
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Reviewed in the United States on December 19, 2025 by Kyndahl
Color: Grey
Size: King
Style: 14 Inch
This is not soft in anyway shape or form. However, it is very comfortable. Definitely felt less aches and pains the first night. My wife prefers a softer mattress so she was disappointed until she laid on it and actually liked it even at 8 months pregnant. You don’t sink into it at all, very firm. No weird smell out of the box feels very sturdy and durable. I can’t believe how cheap it was honestly and setup was very easy.
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Reviewed in the United States on August 31, 2025 by Scott denney
Color: Grey
Size: Full
Style: 12 Inch
Being less expensive made me hesitant to purchase but I am glad I did. The box was very heavy and I was a bit shocked when I unrolled the mattress. I was even more shocked when I removed the outer wrapping and the thing started sucking air filling the wrap, but all was well when I figured out what was happening and got the wrap off. The mattress is very comfortable and well worth the money. I did however, have to put a sheet of toolbox liner between the frame and mattress to keep it from sliding around.
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Reviewed in the United States on December 11, 2025 by Debbie Scheetz
Color: Grey
Size: New Queen
Style: 12 Inch
Exactly as described. 10/10 correct firmness, this guy literally just inflated as soon as I cut it open, no smell, fits on my queen box spring perfectly! Very easy to move and best of all: I NO LONGER HAVE TO LISTEN TO MY MANCHILD WHINE ABOUT HIS BACK HURTING AS MUCH (even though he needs back surgery but hasn’t even done his PT required for insurance purposes) -__- This bed is pretty tall, standard size queen and it doesn’t disturb me when he gets up and vice versa.
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Reviewed in the United States on December 15, 2025 by Lindsey Baker Lindsey Baker
Color: Grey
Size: New Queen
Style: 12 Inch
I purchased the 10 Inch Twin Mattress in a Box, Hybrid Cooling Gel Memory Foam & Pocketed Coils, expecting a comfortable and supportive sleep experience based on its promising features like cooling gel, motion isolation, and CertiPUR-US certification. Unfortunately, this mattress fell far short of expectations, and I’m disappointed with its performance. First, the “cooling” gel memory foam was anything but cooling. Despite being marketed as ideal for hot sleepers, I found myself waking up sweaty multiple nights in a row, even in a cool bedroom with the AC set to 65°F. The breathable cover and pocketed coils didn’t seem to help with temperature regulation at all, which was a major letdown since staying cool was a key reason for choosing this mattress. Second, the medium-firm feel was inconsistent. While it felt supportive at first, within a couple of weeks, I noticed uneven firmness across the surface. Certain areas felt softer, almost like they were sinking, which caused discomfort and disrupted my sleep. For a mattress touted for pressure relief, it did little to alleviate my back pain; in fact, I woke up with more stiffness than I did on my old mattress. The motion isolation, another highlighted feature, was underwhelming. While it’s a twin mattress and not typically shared, I could still feel the springs shifting slightly when I moved, which made the bed feel less stable than expected. The edge support was also poor—sitting on the side felt like I was going to slide off, as the mattress compressed significantly under my weight. Setup was another hassle. Although it’s a mattress-in-a-box, it took nearly 72 hours to fully expand, and there was a strong chemical odor that lingered for days, despite claims of CertiPUR-US certification ensuring low emissions. This off-gassing was unpleasant and made me question the materials used. Overall, this mattress didn’t deliver on its promises of cooling, consistent support, or pressure relief. For the price, I expected better quality and durability. I ended up replacing it with a different brand after just a month. Save your money and look elsewhere for a truly comfortable and reliable mattress.
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Reviewed in the United States on August 31, 2025 by Dysfunctional JarHead
Color: Grey
Size: Full
Style: 12 Inch
This mattress was a steal!!! It was Soft, comfy & no strong odor when taking it out of the vacuum sealed package. The Sides/edges of this mattress are not firm it sinks down all the way to the box spring, but we saw in reviews that was mentioned, so it wasn’t a surprise to us when we sat on it our selves. Our daughter has had the best nights sleep on this bed she says since getting it. She upgraded from a twin to this full size and she it loving it. Highly recommend!
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Reviewed in the United States on July 23, 2025 by krissyd krissyd