The Big Wheels Bumper is a 4-piece bumper that measures 9.5 inches high x 158 inches long. The short sides each measure 9.5 inches x 28 inches and have a set of ties at each corner. The long sides are 9.5 inches x 51 inches and have 3 sets of ties along the top and bottom. The fabric is made of 65% polyester and 35% cotton, exclusive of decoration. Filling is 100% polyester. Care instructions: machine wash cold with like colors, do NOT bleach, tumble dry low, and warm iron if needed.