Hulk Custom Zippered Pillowcase 20"x30" Two sides 50% Cotton This Pillow Case is for 2 sides printing, the back is the same as the front. Material: 50% cotton, 50% polyester It's a zippered pillow case, with a zippered opening on the side. Does not include pillow cotton. Promote your home decoration with this attractive and diversified pillow case. Give you a sense of achievement.