The Peanutshell fitted crib sheet 4 pack set for baby boys or baby in blue nautical theme is the perfect addition to your nursery. Set features whales and wave prints on crisp white backgrounds that are perfectly complimented by a solid navy and a solid medium blue sheet, all inspired by the colors of the ocean. These sheets have elastic all the way around for a perfectly snug fit on any standard size crib mattress (52 inches by 28 inches by 8 inches). Value 4 pack set makes for quick and easy changes, with simple machine wash/tumble dry care. Microfiber fabric is touchable soft and the easiest of care.