The William 4-piece bumper is 11 inches high x 158 inches long. The long sides of the bumper are 11 inches x 52 inches, with 4 ties along the top and bottom. The short sides are 11 inches x 27 inches, with ties in each corner. It is made of 100% cotton. Fabric content is exclusive of decoration. Filling is 100% polyester fiber. Care instructions: machine wash cold separately in gentle cycle, use only NON-chlorine bleach when needed, tumble dry low, and low iron when needed.