The KEEPER® ZipCord® 30 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 in. to 45 in.. 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.