Dimensions: 27L x 39W x 4H in.. 100% cotton construction. Choose from the available fabric options. Designed to fit a portable crib. Fitted corners provide a snug fit. Machine-washable. So soft against the skin, the Jersey Knit Pack N Play Sheet by American Baby Company by American Baby Company makes a great choice for your portable crib. This carefully crafted fitted sheet boasts 4-inch pockets designed to fit securely around the 3-inch thick mattress. The soft jersey fabric comes in your choice of available color. Color: White.