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LMANKBK King Mattress, 12 Inch Innerspring Hybrid Mattress in a Box with Gel Memory Foam, Individually Wrapped Encased Coil Pocket Spring Mattress, Pressure Relief, Medium Firm Support, 76"*80"*12"

  • Based on 954 reviews
Condition: New
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$299.99 Why this price?

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Availability: In Stock.
Fulfilled by Amazon

Arrives Tuesday, May 21
Order within 17 hours and 21 minutes
Available payment plans shown during checkout

Size: King


Style: 12 Inch


Features

  • {{Cool Sleep On A Breathable Mattress}}- Compared with mattresses made of single material, LMANKBK hybrid mattresses are generally cooler and more comfortable. The skin-friendly fabric and the perforated memory foam promote heat dissipation, the individually wrapped coil structure underneath enhances the air flow inside the mattress, keeping you cool and comfortable for the whole night.
  • {{Better Support and Back Pack Relief}}- This medium firm mattress contains multiple support layers that allow the mattress to fit exactly every part of your body. As the pressure on the shoulder, back, spine, and buttocks can be evenly distributed, the pressure point where the body contacts the mattress can be relieved, helping to eliminate your physical fatigue and pain.
  • {{Isolated Motion}}- LMANKBK pocket spring mattress is supported by hundreds of reinforced pocket coils, each working independently to be noiseless and reduce the vibration of bed motion. Therefore, your deep sleep will never be disturbed by your partners turning over or getting up. King Mattress Measures 76" W x 80" L x 12" H and supports a maximum weight of 700 lbs.
  • {{King Size Bed In a Box}}- The mattress is compressed and rolled into a box, which can be easily transported to the door for installation. Remember to keep enough distance from the mattress when unwrapping, because it may cause injury to bystanders when expanding. Please be patient and wait for 48-72 hours for it to fully expand. It is suitable for a variety of frames, such as box springs, slatted bases, flat platforms, adjustable beds, and even floors.
  • {{Quality Guarantee}}- LMANKBK mattresses are covered by a 10-year warranty and 30-day refund policy. If you have any questions, please feel free to contact LMANKBK customer support team at any time.

Size: King


Special Feature: Motion Isolation, Pressure Relief, Breathable


Fill Material: Memory Foam


Brand: LMANKBK


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


Color: Grey


Coil Type: Pocketed Coil


Model Name: Innerspring


Product Benefits: The contouring comfort of memory foam and the durable bouncy feel of steel springs provide unbeatable value and medium-firm support. Perfect for any room or age. See more


Product Care Instructions: Hand Wash Only


Product Dimensions: 76 x 80 x 12 inches


Item Weight: 89.8 pounds


Manufacturer: LMANKBK


Item model number: WCK-SM-12K


Date First Available: March 28, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, May 21

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.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Amazing!!!!!
Size: Queen Style: 14 Inch
I love this mattress!!!! at first I was skeptical because I’m buying a mattress off of Amazon and haven’t tested it out but the mattress surprise me even after all the reviews I read on it I love this mattress! it expanded extremely fast it’s fully expanded. There’s no problems with it. It’s firm no sink And it’s super comfortable. I have back problems and I’m overweight and it did not dip. it’s perfect. Not too soft and firm enough. It’s a great buy Definitely worth the buy. Thank you. ... show more
Reviewed in the United States on February 8, 2024 by Nicole Hinojosa

  • So comfortable!
Size: Full Style: 12 Inch
I love this mattress, especially for the $$. I purchased the 12in Full size. It's super soft, but feels supportive. I have a bunch of issues with my spine and shoulders and have chronic pain due to those issues. Have a lot of issues with sleeping. Been thru 4 mattresses since January. This is my 5th and this is the winner. It's almost too comfortable. I can't say it has a "cooling effect" but unlike other mattresses I've had, I don't feel uncomfortable sleeping on this. Not kicking sheets and blankets off. I have no AC so it gets super hot in my house. I waited just over 48 hours to let in inflate before sleeping on it. It inflated to 10 ¹/2 at the seem but if you looking from its side, the actual mattress fluffed up to 12. Be careful with this... make sure the mattress is at angle that it will roll out away from you. My first time purchasing a bet that was compressed. POOF When it was on the floor there was minimal movement in the mattress. I sleep with a 65lb furbaby and he's always shifting positions. On the slatted frame now is a different story. So I advise making sure you have a strong sturdy frame. I feel like I kinda sink slightly into this. It's cozy. There's no pressure at my hips. Little bit at my shoulder. Little repositioning and no pressure anywhere. I do NOT feel the springs at all. No sounds from them either. There isn't really support on the sides so if you sit on the edge you will slip off. This was my 3rd night and I can honestly say I haven't slept this well in what feels like years! Usually I have trouble the 1st week or so getting used to a new mattress but this one.... I slept amazingly my first night and woke up with minimal pain. Overall is a great mattress at the price it's being offered. Expensive doesn't always mean better. I'm sleeping comfortably again so that's what matters. ... show more
Reviewed in the United States on July 30, 2023 by Kristi L

  • King size bed
Size: King Style: 14 Inch
The bed is very comfortable. The only thing we don't really like is the edges are super soft , not easy to sit on the edge without collapsing.
Reviewed in the United States on January 12, 2024 by Watson

  • Great value for the price
Size: Queen Style: 14 Inch
Love love love this mattress ! I was skeptical at first being I have never purchased mattress without trying it out first and I’ve never purchased a mattress in a box but I am glad I did ! Mattress inflated almost immediately, no bad spell, perfect firmness but still soft ! Would recommend in a heartbreak ... show more
Reviewed in the United States on February 5, 2024 by Alexis Alexis

  • Comfy and Budget Friendly
Size: King Style: 12 Inch
I was skeptical buying a bed in a box, and from amazon at that, but after reading many reviews I am glad I did. This bed is very comfortable and fits all the reviews given. The sides don't have good support, but as long as you know that going into it, like the other reviews said, then I didn't mind. The bed fits myself, my boyfriend, and our two large dogs without being squished, and for the price, you can't beat it! Took only about 12-24 hours to fully inflate, and its very comfortable. This helps ease my mind when buying in the future. who knows i might even buy this one again. ... show more
Reviewed in the United States on January 21, 2024 by Aimee Grant

  • very soft
Size: King Style: 12 Inch
softer than expected actually very soft
Reviewed in the United States on February 19, 2024 by Tonuia Northcross

  • It’s ok
Size: Twin Style: 8 Inch
The mattress is ok. It’s the first time I’ve ever bought a mattress that came in a seal type apparatus where you had to let it rise for 72 hours I think it was. It’s OK, and it’ll do the trick from my daughter when she comes once a month to see me. I think if you’re really looking for a good mattress, you should go to the store and buy one instead of getting it online. That way you can lay on it and see how it feels. ... show more
Reviewed in the United States on December 6, 2023 by B. Bates

  • Great budget friendly mattress
Size: Queen Style: 10 Inch
Comfortable and didn’t take long to inflate. After taking out of the box I periodically pulled the corners to help it inflate fully. Would definitely recommend. Great budget friendly mattress with pretty quick delivery
Reviewed in the United States on February 21, 2024 by Lexus Sanderlin-Smith

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