Sleep comfortably with this 8-inch Twin-size Memory Foam Mattress. The mattress layers has a 1-inch memory foam, 2 inches of soft comfort foam, and 5 inches of high density foam support layer. The memory foam significantly reduces pressure points to ensure a comfortable night’s sleep. This mattress reacts to body heat and weight by molding to sleeper’s body. It also relieves pressure points, preventing pressure sore.Mattress Top: Tight TopRecommended Foundation Type: Platform, Box Spring, Bed SlatsDelivery Method: Memory Foam – Small ParcelThickness: 8 InchMattress Type: Memory FoamSupport: FirmSize: TwinResistant to dust mites, naturally antimicrobialTemperature-smart memory foam responds to body heat and movement, reshaping to distribute body weight and relieve pressure points to improve circulationNever needs turningMemory Foam Tips:Arrives tightly packed in portable box for customer convenience.Remove from packaging within 72 hours to maximize expansion.You can sleep on it the same night it is unwrapped, however allow 48 hours to fully return to its original shape.Vacuum sealing sometimes traps odors. After unwrapping, air for a few hours to eliminate trapped odors.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 similar products may produce different firmness resultsOnce opened this product is non-returnable.