Pillow Covers DIY Cushion Cover 18 x 18 2 Sides-2Pac Tupac Shakur Rapper-D333-05 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 (18"x18") It's a zippered pillow case, with a zippered opening on the side. Note: Does not include pillow cotton.