Standard-Store Custom Milk Cow Pasture Meadow Grassland Zippered Pillow Cases Covers Standard Size 20"x30"(one side) NO 1 Custom your own pillowcase from us. This pillowcase used 50% cotton and 50% polyester.Without buttons. This size of the pillowcase is 16"x24" style to your bedroom or sofa. With pre-shrunk fabric, this pillowcase is washable at 62 degree Celsius. Custom Pillowcase is a sweet gift for some one you like,Having this soft custom pillowcase will take you comfort and sweet dreams.