The KEEPER® ZipCord® 20 Adjustable Bungee Cord is constructed from quality materials for versatility and long-lasting dependability. It is designed with a durable outer jacket to withstand UV rays and weather damage. The cord is fully adjustable and expands from 6" to 30". Inside, premium rubber delivers optimal performance and elasticity for repeated use. Glass-filled nylon sheathed steel hooks prevent rust, scratching and marring of personal items and vehicles.