Swing-N-Slide WS 4518 Heavy Duty 27" Swing Seat - 58" Vinyl Coated Chain Backyard Playground Swing for Replacement Or Accessories, Green 27" Long plastic Swing seat is secure and long-lasting with curved design for comfort Includes 58" Of zinc plated steel Chain with Green vinyl coating Weight limit of 115 pounds Easily attaches to swing hanger (not included) Meets and/or exceeds ASTM safety standards for backyard residential use only