Customized Penn State College Print Zippered Pillow Cases 20x20 (two side) zipper closure One size fits all, for one side printing only. if you need 2 sides printing pls contact our customer service Material: 50% cotton, 50% polyester The material is made of a fine soft blend of fabrics, giving the pillow case a soft and comfortable texture Customized pillowcase to make your personalized style Having this soft pillowcase will add both comfort and style to your home.