The Baby Bots 4 Piece Baby Crib Bedding Set includes bumper, comforter, dust ruffle, fitted sheet and diaper stacker. The 4-Piece Bumper measures 11 inches high x 158 inches long. The short sides are 11 inches x 27 inches with ties in each corner. The long sides are 11 inches x 52 inches with 4 sets of ties along the top and bottom. The comforter measures 32 inches x 42 inches. The dust ruffle has a 14 inch drop and the fitted sheet is designed to fit a standard size 28 inch x 52 inch crib mattress. The diaper stacker is 13 inches x 24 inches, and 8 inches deep. The set is made of 65% polyester and 35% cotton some fabrics on set is made of 10% nylon and 3% rayon. The sheet is 100% cotton and the platform of the dust ruffle is 100% polypropylene. Fabric content is exclusive of decoration. Filling is 100% polyester fiber. Care instructions: machine wash cold separately in gentle cycle, use only NON-chlorine bleach when needed, tumble dry on low heat, and iron on low heat when needed.