Our 4 piece perfect fit crib bumper measures 9½” x 154". Short sides are 9” x 26 ½” and 9” x 50½” on the long sides. The bumper is made of a cotton/polyester blend. There are 24 sets of ties which need to be securely tied to the crib for safe sleep. Care instructions: machine wash cold with like colors in a gentle cycle. Use only non chlorine bleach when needed. Tumble dry low. Iron on lowest setting as needed.