WECE Psychedelic Trippy Colorful Art Decorative Throw Pillow Case PillowCase Cushion Cover 20x30 (Twin Sides) 50% cotton, 50% polyester Pillow insert are not included Square Zippered Pillow Cases 20x30 Inch (Twin Sides) It's designed to add sophistication and style to your bedroom. It can be washable at 60.