The Robots Play 4-piece bumper measures 10 inches high x 157 inches long. The short sides are 10 inches x 26.5 inches with ties in each corner. The long sides are 10 inches x 52 inches with 4 ties along the top and bottom. It is made of 100% polyester, 65% polyester-35% cotton, 60% cotton-40% polyester and 88% polyester-12% nylon fabrics. Filling is 100% polyester. Care instructions: machine wash cold in gentle cycle with like colors, do NOT bleach, tumble dry low, iron on lowest setting as needed.