WECE Vintage Sailboat Vessel Sailing Boat Pirate Ship On The Sea Printed Zippered Pillowcase Soft Pillow Case Cover 18x18 (Twin Sides) 50% cotton, 50% polyester Pillow insert are not included Square Zippered Pillow Cases 18x18 Inch (Twin Sides) It's designed to add sophistication and style to your bedroom. It can be washable at 60.