The Baby Bots 4-Piece Bumper measures 11 inches high x 158 inches long. The short sides are 11 inches x 27 inches with ties in each corner. The long sides are 11 inches x 52 inches with 4 sets of ties along the top and bottom. The Bumper is made of 65% polyester and 35% cotton some fabrics on bumper is made of 10% nylon and 3% rayon, 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 on low heat, and iron on low heat when needed.