Soft-home sleeping with sirens Kellin Quinn Post-hardcore Band Hybrid Pillowcase Cushion Covers Diy Custom Case 2 Sides Size 20"x30" D47-08 50% cotton, 50% polyester. The material is made of a fine soft blend of fabrics, giving the pillow case a soft and comfortable texture. This pillowcase is for 2 sides printing. This custom standard pillowcase is roomy in size (20"x30") It's a zippered pillow case, with a zippered opening on the side. Note: Does not include pillow cotton.