Jensen's new patent pending American Kevlar Swing Seat is unique to anything sold in the playground swing-seat industry. It has a Kevlar insert versus a steel-strap insert. Kevlar is the material used for body armor/bullet vests. The American Kevlar 

Swing Seat features: 

• Cut resistant, is stronger and lighter than steel inserts 
• Tested to 10,000 pounds tensile strength 
• If seat is worn, Kevlar is still soft to touch, not sharp or abrasive 
• Stainless steel hangers 
• Rated by New York City park and recreation departments as "strongest on the market" 
• 5-Year unconditional guarantee 
• Made from EPDM 
• Rubber covering over Kevlar Made in the USA