Custom American Flag Pattern Zippered Pillowcases Pillow cover,20x36 inches (Twin Sides Printing) With pre-shrunk fabric,this pillowcase is washable at 60 centigrade. Material:50% cotton,50% polyester Size:20"x36" The material is made of a fine soft blend of fabrics, giving the pillow case a soft and comfortable texture. Does not include the pillow core.Form-fitting design