The Robbie 1.0 4 Piece Baby Crib Bedding Set includes comforter, dust ruffle, fitted sheet and diaper stacker. The bumper is sold separately. The comforter measures 35 inches x 44 inches. The dust ruffle has a 16.5 inch drop and the fitted sheet is designed to fit a standard size 28 inch x 52 inch crib mattress. The diaper stacker measures 11 inches x 20.5 inches, and is 8 inches deep. The set is made of 100% polyester and 100% cotton fabrics. The platform of the dust ruffle is 100% olefin. Any filling is 100% polyester fiber. Fabric content is exclusive of decoration. Care instructions: machine wash cold with like colors in gentle cycle, do NOT bleach. Tumble dry low, and iron on lowest setting as needed.