The 12-inch bamboo charcoal gel memory foam mattress can effectively improve your sleep quality so that you can be refreshed the next day and enjoy life to the fullest. The mattress is made of all foam, and there are multiple strategic patterns in the foam, which will match different shapes of your body and provide better weight support, keep your spine aligned relieve back pain, create zero pressure, and improves your sleep level. The mattress uses bamboo charcoal memory foam, and the egg crate embossed foam can promote air circulation and adjust the temperature to keep cool. Meanwhile, bamboo charcoal is natural and environmentally friendly, absorbing moisture and smell, and keeping the sleeping environment clean. Jacquard Fabric Cover, 60%Polyester, 35%Rayon, 5%Spandex, provides a safe, effective flame retardant layer around our mattress, without the negative effects of fiberglass and other flame retardant chemicals, ensuring health and safety. The mattress is delivered in a box, which is fast and can be restored within 12-24 hours after opening.