This specialty memory foam mattress is designed to help provide relief from low back pain and discomfort. This memory foam mattress features a premium stretch fabric cover. Mattress measures 12 inches thick Materials: Memory foam, microfiber, and polyester Density: 3 inches of 3-pound memory foam, over 3 inches of a 2-pound back support pattern, and over 6 inches of high-density support base. Mattress measures 12 inches high x 76 inches wide x 80 inches long. Memory foam is resistant to dust mites and is naturally antimicrobia.l Originally designed for NASA, this space age foam cradles your body, reducing pressure points that cause tossing and turning. Improves circulation. Eliminates motion transfer. Never needs turning. Disperses your weight evenly. Mattress can be used with an existing frame. Great for platform beds and slatted frames. Meets all flammability standards.