Remedy 8" Natural Pedic Memory Foam Mattress, Full Memory Foam Type: Polyurethane, Thickness: 8 inches, Firmness: Medium Density: 2 inch 4 pounds/50D Memory Foam/6 inch 2 pounds/30D Base Foam Care Instructions: Spot Clean Only, Air Dry, Size: Twin Allergy Free, Product Dimensions: 54 inches x 75 inches x 8 inches Care Inst: Outer Cover: Remove Foam, Machine Wash Cold with Like Colors, Gentle Cycle, Tumble Dry Low. Polyurethane Foam: Spot Clean Only, Air Dry.