The Little Dino 3 Piece set includes comforter, crib skirt and fitted sheet. The comforter measures 35 inches x 45 inches. The crib skirt has a 15 inch drop and the fitted sheet is designed to fit a standard size 28 inch x 52 inch crib mattress. The set is made of 100% cotton, exclusive of decoration. The crib skirt platform is 100% polypropylene.