Generic Custom Bubble Guppies Molly Gil Goby Deema Oona Nonny Ideas Printed Zippered Pillowcase Cushion Case 20*30(Twin Sides) The material is made of a fine soft blend of fabrics. 50% cotton and 50% polyester Zippered pillow cases 20" X 30" ?(twin sides) With pre-shrunk fabric, this Cushion case is washable at 60 Degrees Celsius zippered pillow case, with a zippered opening on the side The front side is the same to the back side