The Choo Choo 4 Piece Baby Crib Bedding Set with Bumper by Bedtime Originals. Set includes: comforter, 4-piece bumper, dust ruffle and fitted sheet. The comforter measures 35 inches x 44 inches. The 4-piece bumper is 9.5 inches high x 153 inches long. The short sides are 9.5 inches x 26.5 inches with ties in each corner. The long sides are 9.5 inches x 50.5 inches with 4 ties along the top and bottom. The dust ruffle has a 10 inch drop and the fitted sheet is made to fit a standard size 28 inch x 52 inch crib mattress. The set is made of 55% cotton-45% polyester with 100% polyester fabrics. The platform of the dust ruffle is 100% olefin. Filling is 100% polyester fiber. Care instructions: machine wash cold with like colors in gentle cycle, do NOT bleach, tumble dry low, and iron on lowest setting as needed.