MLILY Black Firm King Size Mattress In a Box, 12" Cooling Gel Memory Foam Mattress, Pressure Relief, CertiPUR-US
MLILY Black Firm King Size Mattress In a Box, 12" Cooling Gel Memory Foam Mattress, Pressure Relief, CertiPUR-US
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MLILY Black Firm King Size Mattress In a Box, 12" Cooling Gel Memory Foam Mattress, Pressure Relief, CertiPUR-US

1,415 ratings

Key item features

  • Healthy & safe: Mlily memory foam mattresses are CertiPUR-US and Oeko-Tex Standard 100 Certified, which means they are free of harmful substances. The memory foam and cooling knit fabrics are independently safety-evaluated and comply with all applicable mandatory and voluntary safety standards for mattress products.
  • Breathable and cooling feel: Copper gel memory foam offers advanced temperature regulation and breathability, helping to dissipate heat and keep you cool throughout the night. Its contouring properties reduce pressure points and motion transfer, ensuring a more restful, undisturbed sleep. The infused copper gel helps reduce bacteria and odor for a cleaner, fresher sleeping environment.
  • Flex support base foam: Engineered for optimal support,this high-density base foam enhances overall mattress stability, promotes proper spinal alignment, and helps alleviate pressure points and body aches-ensuring you wake up refreshed and pain-free after a deeply restful sleep.
  • General Note: For added convenience, the mattress is compressed and shipped in a box, making setup quick and easy. Simply unbox and allow 24 to 72 hours for the mattress to fully expand and reach its peak comfort level.
  • Compatible for a variety of scenarios and bedframes: Compatible with almost all types of bedframes and foundations including adjustable bases, metal frames and slatted platforms. Great for all types of sleeprs and suitable for all rooms such as master bedroom, guest room, and dorm room.
  • WORRY-FREE 10 YEARS WARRANTY: We believe that you will love this sleep item and are dedicated to giving you the best night of sleep through our superior products. If your mattress is defective or damaged during delivery, our U.S.-based customer support team will happily work with you to address any concerns to make it right. Please note that THERE IS NO TRIAL PERIOD, OPENED MATTRESSES CANNOT BE RETURNED.
  • Full Size: 75"L x 54"W x 12"H
  • Queen Size: 80"L x 60"W x 12"H
  • King Size: 80"L x 76"W x 12"H
  • Cal King Size: 84"L x 72"W x 12"H

Specs

Bed size, KingMattress comfort level, FirmMattress type, Memory Foam MattressesMattress thickness, 12 inBrand, MLILYMaterial, Memory foam, Cooling Knit Fabric

About this item

Product details

Experience the ultimate in comfort and support with the MLILY Ego Black Firm 12 inch King Size Memory Foam Mattress. Its cooling knit fabric cover is designed to be breathable, ensuring a consistently low temperature throughout the night. This mattress features Ventilated Copper-gel AeroFusion Memory Foam, which provides exceptional pressure relief and durability for a cleaner, more comfortable sleep experience. The second layer, Flex Support Base Foam, conforms to your body for optimal pressure relief, leaving you feeling rejuvenated every morning. Its motion-isolating properties ensure you and your partner enjoy uninterrupted rest, free from movement disruptions. Crafted with your well-being in mind, this mattress is made from the highest-quality, non-toxic materials and boasts coveted CertiPUR-US and OEKO-TEX certifications, ensuring a pure, clean, and comfortable sleep environment. Suitable for both adults and kids, the removable cover makes maintenance a breeze, extending the life of your investment. Choose the MLILY Ego Black Firm 12 inch King Size Memory Foam Mattress for a deeper, more restful sleep for your entire family. For any queries or concerns, our dedicated team is here to assist you.
  • Healthy & safe: Mlily memory foam mattresses are CertiPUR-US and Oeko-Tex Standard 100 Certified, which means they are free of harmful substances. The memory foam and cooling knit fabrics are independently safety-evaluated and comply with all applicable mandatory and voluntary safety standards for mattress products.
  • Breathable and cooling feel: Copper gel memory foam offers advanced temperature regulation and breathability, helping to dissipate heat and keep you cool throughout the night. Its contouring properties reduce pressure points and motion transfer, ensuring a more restful, undisturbed sleep. The infused copper gel helps reduce bacteria and odor for a cleaner, fresher sleeping environment.
  • Flex support base foam: Engineered for optimal support,this high-density base foam enhances overall mattress stability, promotes proper spinal alignment, and helps alleviate pressure points and body aches-ensuring you wake up refreshed and pain-free after a deeply restful sleep.
  • General Note: For added convenience, the mattress is compressed and shipped in a box, making setup quick and easy. Simply unbox and allow 24 to 72 hours for the mattress to fully expand and reach its peak comfort level.
  • Compatible for a variety of scenarios and bedframes: Compatible with almost all types of bedframes and foundations including adjustable bases, metal frames and slatted platforms. Great for all types of sleeprs and suitable for all rooms such as master bedroom, guest room, and dorm room.
  • WORRY-FREE 10 YEARS WARRANTY: We believe that you will love this sleep item and are dedicated to giving you the best night of sleep through our superior products. If your mattress is defective or damaged during delivery, our U.S.-based customer support team will happily work with you to address any concerns to make it right. Please note that THERE IS NO TRIAL PERIOD, OPENED MATTRESSES CANNOT BE RETURNED.
  • Full Size: 75"L x 54"W x 12"H
  • Queen Size: 80"L x 60"W x 12"H
  • King Size: 80"L x 76"W x 12"H
  • Cal King Size: 84"L x 72"W x 12"H
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Bed size

King

Mattress comfort level

Firm

Mattress type

Memory Foam Mattresses

Mattress thickness

12 in

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.3 out of 5 stars
stars
1,415 ratings410 reviews
Includes global ratings and reviews
How item rating is calculated

Reviews summary

Pros

  • : Offers high quality at a reasonable cost.
  • : Provides relief from back discomfort.
  • : Provides a supportive sleeping surface.
  • : Provides a supportive surface for sleeping.
  • : Provides solid support and maintains shape.

Neutral

  • : Offers comfort and stability, but can be too firm or soft for some users.
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Showing 1-3 of 410 reviews

Nov 11, 2026
Reviewer name: idalia
Item details
Bed size: Queen
Mattress thickness: 14 in
Sold byMLILY USADelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Omg this is the best mattress I ever bought I love it it's so comfortable I give 5 stars

Helpful?30VYZW8OYFO120065768299
Oct 21, 2026
Reviewer name: anonymous
Item details
Bed size: King
Mattress thickness: 14 in
Sold byMLILY USADelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I absolutely love my mattress

Helpful?30VYZW8OYFO120065768299
Oct 11, 2026
Reviewer name: Mojisola
Item details
Bed size: King
Mattress thickness: 14 in
Sold byMLILY USADelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very comfortable and speaks luxury. Will recommend anytime!!!

Helpful?30VYZW8OYFO120065768299
Current price is Now $379.99
You save $320.01
was $700.00
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31
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Ships to
Arrives by Thu, Nov 19
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Sold and shipped by MLILY USAPro Seller
4.502450056539766 out of 5 stars
4.5 stars out of 5, based on 5373 seller reviews(4.5)
Extended holiday returns
Free Holiday returns until Jan 31
Packaging note:

Ships in the manufacturer's original packaging, which may reveal the contents.