The Robots Play 5 Piece Baby Crib Bedding Set includes: quilt, 4-piece bumper, dust ruffle, fitted sheet and diaper stacker. The quilt measures 45 inches x 36 inches. The 4-piece bumper measures 10 inches high x 157 inches long. The short sides are 10 inches x 26.5 inches with ties in each corner. The long sides are 10 inches x 52 inches with 4 ties along the top and bottom. The dust ruffle has a 14 inch drop. The fitted sheet is designed to fit a standard size 28 inch x 52 inch crib mattress. The diaper stacker measures 12 inches x 19 inches, and is 8.5 inches deep. The set is made of 100% polyester, 65% polyester-35% cotton, 60% cotton-40% polyester and 88% polyester-12% nylon fabrics. The sheet is made of 100% cotton. Fabric content is exclusive of decoration. Filling is 100% polyester. Care instructions: machine wash cold in gentle cycle with like colors, do NOT bleach, tumble dry low, iron on lowest setting as needed.