Doctor Who Custom Zippered Pillow Case 18"x18"(two sides) - Shinhwa Create Material: 50% cotton, 50% polyester Minimum Quantity: 1 This custom standard pillowcase is roomy in size (18'' x 18'') and has been designed to add sophistication and style to your bedroom. It's a zippered pillow case, with a zippered opening on the side. With pre-shrunk fabric, this pillowcase is washable at 60. 50% cotton, 50% polyester. Having this soft custom pillowcase will add both comfort and style to your home.