Custom jack skellington nightmare before christmas Zippered Pillowcase Covers Standard Size 20x30 Inch (Twin sides) 8.7" high 0.6" wide Size 20*30 inches One size fits all 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 This case(cover) has a zipper