This Cocoonababy baby fitted sheet from RED CASTLE is extremely soft and comfortable, making it perfect for infants. The toddler fitted sheet, with an elasticated edge, snugly fits on the crib's mattress. It is made from durable fabric, providing comfort for your little one and gentle on skin. This infant fitted sheet keeps your child warm in winter and cool in the summer season. It is also machine washable at 30 degrees. This sheet is specially designed to fit on the Cocoonababy® mattress from Red Castle.