The S180 residential swing seat is one of the strongest swing seats for home use. These EPDM swing seats have been tested and approved for safety up to 1040 lbs. EPDM: Ethylene-propylene-diene-monomer which is a synthetic rubber material which helps prevent crazing, cracking and oxidizing. They measure 5" x 24". This seat has stainless steel inserts at either end of the seat and there are 4 washers, ½" thick, welded to each insert and then molded into the rubber. The seat should last 2 years in harsh conditions and up to 5 years in optimal conditions. Some conditions may require replacement sooner.
Please note: This swing seat requires a large S-Hook or an H-Shackle to connect the chain to the swing seat to avoid improper installation and/or injury.