Montreal Canadiens CRINKLE CAT, FERRET MAT The crinkle mat is approximately 11" wide X 10 1/2" long. The mat is made from new material COTTON or COTTON POLYESTER BLEND. The crinkle material is a strong cellophane. They should be washed in cold water wrapped in a towel to get excess water out and air dried. PLEASE NOTE>>Cotton and cotton blend material can shrink. Your cats will love playing with this crinkle mat, rolling on it gripping it with their paws and sleeping on it. When they step in the mat it makes a crinkle noise which quickly gets their attention.