Our 4 piece perfect fit crib bumper measures 9½" high x 154" long. Short sides are 9½" x 26½" and 9½" x 50½" on the long sides. The bumper is made of a linen blend. Filling is 100% polyester fiber. There are 24 sets of extra wide ties which need to be securely tied to the crib for safe sleep. Care instructions: machine wash cold with like colors. Gentle cycle. Use only non chlorine bleach when needed. Tumble dry low. Iron on lowest setting as needed.