Washed Cotton Percale Crib SheetOur crisp, cool percale weave crib sheets are made from 100% long staple cotton. Like all Kingston Goods textiles, they are OKEO Tex certified to be free of harmful chemicals making them the best choice for your precious Littles. These classics are lightweight and breathable and get softer with every wash. Includes one crib sheet with a fully elasticized band that fits all standard 52 x 28 x 9 mattresses.