Material: This fitted crib sheet made from 95% polyester and 5% spandex,it is soft, comfortable, and breathable. These baby sheets for crib are fade resistant and machine washable. Size: Vvfelixl crib sheets for boys has two size,S size is 99*68*12.7cm (39*27*5in) suitable for playard sheet, M size is132*71*23cm (52*28*9in) suitable for crib sheetf..