The Willow Organic 4 Piece Baby Crib Bedding Set includes: duvet cover and insert, dust ruffle, fitted sheet and diaper stacker. The duvet cover measures 36 inches x 45 inches, and is made of 100% organic cotton. The duvet insert is 100% polyester. The dust ruffle has a 14 inch drop which is made of 100% organic cotton. The dust ruffle platform is made from 88% polyester and 12% organic cotton. The fitted sheet is 100% organic cotton and fits a standard size, 28 inch x 52 inch crib mattress. The diaper stacker measures 22.5 inches x 12 inches, and is made from 100% organic cotton. Care instructions: machine wash cold in gentle cycle with like colors, do NOT bleach, tumble dry low, and iron on lowest setting as needed.