Loading... Please wait...This swing seat is made of polypropylene. It is available in bright colors that will not fade. These seats are made wider and sturdier to hold both small and large children. The dimensions are 20" long by 8" at the narrowest portion, to 9" wide at the widest section of the seat, and 2" high. This seat meets ASTM standards and can be used commercially or residentially. This seat is extremely durable. Available in black, blue, green, red, and yellow. National Test Results: 5000 lbs. Grade: Commercial