The Choo Choo 3 Piece Baby Crib Bedding Set by Bedtime Originals includes: comforter, dust ruffle and fitted sheet. The bumper is sold separately. The comforter measures 35 inches x 44 inches. 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.