The Peanutshell fitted crib sheet 4 pack set for baby s 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.