Specifications Place of Origin United States Main Color White Main Material Foam+Spring Mattress Size Twin XL Size Twin XL Dangerous Goods #dangerFlag# Dimensions Weights Assembled Length (in.) 80.00 Assembled Width (in.) 38.00 Assembled Height (in.) 11.00 Weight (lbs) 71.00 Product Features Cool-Touch Fabric? - Special conductive yarns actively move heat through the fabric to maintain a cool, comfortable sleeping environment all night long? Copper Cool Memory Foam? - Copper infused memory foam regulates temperature for deeper sleep by drawing excess heat away from your body while absorbing pressure so you can sleep undisturbed without tossing and turning.? Hi-Definition Transition Layer? - Enhances the buoyant, weightless feel of the mattress? Dynamic Edge Coils? - 740 Individually wrapped coils virtually eliminates motion transfer? between sleepers? Description