Cool memory foam with motion isolation Size: 200*140 Used for 3 years, purchase price 2450﷼ Reason for selling: Changing bed size The mattress is excellent and has maintained its quality. Mattress details from the website: Selling price: Offer Deep Blue Bed Mattress Science has proven that ideal sleep requires ideal temperature. The unique (NANO) technology patent in the Deep Blue mattress controls the temperature of your sleeping environment by starting to remove heat as soon as the body touches the mattress. To achieve this, we have created an additional layer of foam, which is Viscoelastic memory foam, excellent for maintaining a cool temperature that ensures you a comfortable sleep all night long. We recommend that you enjoy this scientific and technical masterpiece for a comfortable and cool sleep. Comfort Layers: Foam, which is excellent quality Viscoelastic memory foam Mattress Outer Fabric: Patented (NANO) technology fabric made from micro and high-quality materials that instantly control temperature Mattress Structure: Single Pocket Springs, flexible foam sides specially made to provide you with balanced support and pressure Distinctive Features: Special heat removal technology in addition to a layer of Viscoelastic memory foam that maintains coolness throughout the night Mattress Specifications: Firmness: Soft Height: 30 cm Spring Type: Single Pocket Springs Enjoy an unparalleled sleeping experience with the Deep Blue mattress from Sleep High, which provides you with complete support and exceptional comfort to make your nights more peaceful.