Please avoid scratching the product with sharp tools when opening the package. Before first use, please put the foam mattress topper in a ventilated area for 48 hours until fully expanded.  Enhanced Comfort: Made with slow rebound memory foam, this mattress cover conforms to your body for extra comfort and support. Note: For health and hygiene reasons, we cannot accept returns for refunds or exchanges unless the pillow, quilt, mattress cover, mattress protector and mattress are defective or not in accordance with the order. Color White Size Twin, Full, Queen, King Fabric Type Gel Memory Foam Special Feature Pressure-Relief, Cooling, Supportive, Non Slip, Skin-Friendly Closure Type Pull On Product Care Instructions Machine washable cloth cover Water Resistance Level Not Water Resistant Age Range (Description) Adult Material Gel Memory Foam, 7-Zone Gel Memory Foam Product Dimensions (Twin) 75*39*3  inch Product Dimensions (Full) 75*54*3  inch Product Dimensions (Queen) 80*60*3  inch Product Dimensions (King) 80*76*3  inch Item Weight (Twin) 12.07 pounds Item Weight (Full) 15.62 pounds Item Weight (Queen) 18.76 pounds Item Weight (King) 23.3 pounds