This is a rotational molded swing made of polyethylene and has a new improved hanger. It is available in bright colors that will not fade. These seats are made wider and studier to hold both small and large children. The dimensions of the seat are 8” x 20” x 2” thick. At the narrowest point 8” and 9” at the widest. Space between hangers is 16”. This seat meets ASTM Standards both commercially and residentially. The seat should last 2 years in harsh conditions and up to 5 years in optimal conditions. Some conditions may require replacement sooner. Tensile strength is 5000 lbs.