The Naptime Owls 4-piece bumper is 10 inches high x 158 inches long. The short sides are 10 inches x 27 inches with ties in each corner. The long sides are 10 inches x 52 inches with 4 ties along the top and bottom. The bumper is made of 65% polyester/35% cotton fabrics, with 100% polyester filling. Care instructions: machine wash cold in gentle cycle, use only non-chlorine bleach when needed, tumble dry low.