5 SOS Michael Clifford 4 Custom Pillowcase Zippered Cotton Rectangle Pillow Cases Standard Size 20x30 (Twin sides) 8.7" high 0.6" wide Material: high quality 50% cotton and 50% polyester Pattern: OEM is warmly welcomed Opening: it has a zipper on the side MOQ: 1 piece is acceptable Washing: cover is washable at 60 celsius