Material: Hypoallergenic & 100 % Recyclable Black Hosiery Cotton filled inside. ; Fabric: Cotton fabric used on top so as to keep the mattress cool and all weather Engineered. ; Note: New Cotton Mattress always measures 5 to 6 inches smaller due to natural compression of cotton. After the mattress is used for 6 to 7 days consecutively then the mattress settles down to its menione shape and size. Mattress will sag from 5 Inch thickness with use. ; , Delivered Directly from Factory