Package: 20 PCS bungee cords with balls, heavy duty molded plastic balls to prevent from scratching to anchor points Material: Made of highest grade polyester and latex material, UV and weather resistant,extremely flexible with heavy duty reinforced double braided cording Size: 15cm/6 inch length from the ball end to the top of the bungee loop, stretches to approximately 28cm/11 inches,4mm/0.16inch bungee cord diameter,ball diameter is about 2.2cm/0.87 inches Function: Keeps tarpaulin, shade, boat covers, tents, awnings, flags, in fixed position. Also prolongs the life of tents tarpaulin by allowing slight movement. Application: Suitable for tents, tarpaulins, posters, tensioner, expansion ring, tarpaulin bracket, tarpaulin rubber, rubber tensioner, tent rubber, curtains and so on