Zippered Dinosaur Prehistoric life Pillowcase Covers Standard Size 20x30 inch(One Side) The material is made of a fine soft blend of fabrics, giving the pillow case a soft and comfortable texture. Wrinkle resistant and stain-resistant One Side Pillowcase Pillow Cover,20x30 inches Makes a perfect gift Material:50% cotton, 50% polyester, this pillowcase is washable at 60.