Hudson Baby Unisex Baby Cotton Fitted Crib Sheet, Magical Unicorn cotton fitted crib sheets are the perfect addition to your little one’s nursery. Made of soft, premium 100% cotton, our sheets are gentle on baby’s skin. These crib sheets are fitted to fit a standard crib mattress sized at 28×52 inches. Our crib sheets have elastic all around sheet for a better fit and longer wear. These will fit most toddler beds.