This Twin size 12-inch Thick Memory Foam Mattress with Soft Knit Fabric Cover is a memory foam mattress that encompasses the comfort of memory foam, minimizes pressure on the body, and provides balanced support. Within minutes, it creates a perfectly personalized and balanced form around the body. This 12-inch memory foam mattress will support body weight evenly, relieve pressure focused on the shoulders, hips, and feet, and eliminate motion disturbance. The result is a unique and unprecedented sleeping experience. The memory foam mattress collection provides lasting comfort, with a dense foam core that ensures years of unbridled durability. For your convenience and even more cost savings, this mattress is shipped compressed, rolled and vacuum sealed. Twin size 12-inch Thick Memory Foam Mattress with Soft Knit Fabric Cover Soft, knit fabric cover 4 Inch, 9 ILD memory foam Memoir mattress also available in 6 and 8 Inch Allow 48 hours for the memory bedding to expand to its proper size and shape Meets federal flammability standard 16 CFR 1633 Relieves pressure points on your hips and shoulders while you rest ILD 9, 4-pound memory foam for ideal firmness Available in 6, 8 and 12-inch thick Dimensions: 12 x 38 x 39 inches Weight: 40lbs. Shipping Weight: 42lbs.