King Mattress,12 Inch King Size Mattress in a Box,Gel Memory Foam and Innerspring Hybrid Mattresses with Individual Pocket Spring for Motion Isolation,Pressure Relief,Medium Firm Feel
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Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.
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Selected Option
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Size: King
Style: 12 Inch Black
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 Pain 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.
Brand: LMANKBK
Size: King
Product Dimensions: 76"L x 80"W x 12"Th
Top Style: Tight Top
Cover Material: Polyester
Weight Limit: 700 Pounds
Special Feature: Breathable, Low Motion Transfer, Pressure Relief
Coil Type: Pocketed Coil
Product Benefits: Improves Sleep, Pressure Relief
Comfort Layer Material: Comfort Foam
Product Dimensions: 76 x 80 x 12 inches
Item Weight: 66 pounds
Manufacturer: LMANKBK
Item model number: WKC-SM-12K-B
Date First Available: June 16, 2025
Frequently asked questions
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.
