11 Inch Designed to Sleep Tencel Infused Memory Foam Mattress, Queen Four layers of premium support: .5-inch 4-pound gel memory foam, 1.5-inch 3-pound high density foam, 2-inch advanced spinal support foam, 7-inch base layer Tencel Infused Memory Foam Mattress, provides pressure point relief and improves circulation Tencel is moisture absorbent and wicking keeping you feeling dry and comfortable (50% more than cotton or polyester). Tencel is soft, breathable, lightweight, comfortable, durable, and great for sensitive skin. 100% natural and biodegradable and anti-bacterial. Warranty: 10 year. Clean: spot clean when necessary CertiPUR-US&reg; certified; the most rigorous and comprehensive certification for polyurethane foam Memory foam is naturally antimicrobial and resistant to dust mites