Coolest Starry Night TARDIS Doctor Who Custom Zippered Pillowcase Pillow Cases Cover 20x30 (Twin sides) David Tennant Blue Police Box Material: 50% cotton, 50% polyester design by diyphonecasecase Minimum Quantity: 1 This custom standard pillowcase is roomy in size (20''x30'') and has been designed to add sophistication and style to your bedroom. With pre-shrunk fabric, this pillowcase is washable at 60 degree Celsius. With pre-shrunk fabric, this pillowcase is washable at 60 degree Celsius. 50% cotton, 50% polyester. Having this soft custom pillowcase will add both comfort and style to your home.