Twin Mattress Topper, 3 Inch Gel Infused Memory Foam Mattress Topper, Cooling Mattress Pad for Pressure Relief Back Pain, CertiPUR-US CertifiedSpecifications Place of Origin #originPlace# Main Color Blue+Grey Main Material Polyurethane Filler Polyurethane Foam Product Style Modern Use Case Bedroom Mattress Size Twin Dangerous Goods #dangerFlag# Dimensions & Weights Assembled Length (in.) 74. 00 Assembled Width (in.) 38. 00 Assembled Height (in.) 3. 00 Weight (lbs) 10. 00 Product Features COOLING GEL: The materials in this twin mattress topper include cooling gel that absorbs some of the heat