●100% Cotton ●Premium and Safe: Tillyou’s Crib Sheet is Made from Premium Cotton, no pollution throughout. We also use natural dye, which will not affect your babys health. ●Fits perfectly: Comes with 28 "x52 " and fit almost any crib mattress on the market. Up to 5" Deep pockets ensure that the Sheet wraps tightly around the mattress and wont shift no matter what. ●Easy to install: This Fitted Sheet benefits from a looped elastic band at the bottom to fit the mattress perfectly. Easy to change the bedspread even when you are alone. ●Easy to Clean: Machine washable directly, saving time and effort. Simply machine wash in cold water on a gentle cycle for a like-new restoration. ●Multi-Color Available: We have designed a variety of floral patterns and colors to meet any match you want for your baby bed. Whether its a boy or a girl, youll find the perfect fit.