Sink into our 10"Memory Foam Mattress. The top and side cover of this 10" Memory Foam mattress is constructed of a White Poly Jacquard Fabric. Quilted to the top is .3" of Memory Foam knitted into the cover, followed by 1.7" of memory foam, and then 8" thick of Pressure Relief Memory Foam that helps to eliminate pressure points you're experiencing specifically with this 3 important areas: head and shoulders, hips and feet for you to acquire harmonious sleep. The bottom includes an anti-slip cover that guarantees minimal injuries and mishaps you could possibly get with a non anti-slip cover. This 8" Memory Foam mattress provides substantial support, resiliency and helps eliminate heat that can sometimes be associated with Memory Foam Mattresses. Features: 10"Twin XL sized memory foam mattress Consists of .3 memory foam into the cover, 1.7" cell memory foam, 8" pressure relief foam Eliminates pressure points in head shoulder, hip and feet areas Includes anti-slip cover Fits extra long twin sized bed frame Dimensions: 80"L x 38"W x 10" Memory Foam Tips: Remove from packaging within 72"ours of receipt to maximize memory foam expansion. This product arrives very tightly packed. Unwrap and allow 48 hours for this product to return to its original shape. Being sealed in plastic packaging sometimes traps odors. After unwrapping, allow product to air for a few hours. Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product. Due to the nature of Memory Foam the firmness level of every item is unique. Please be advised that even similar products may produce different firmness results. Once opened this product is not returnable Product ID 22893322