The KEEPER® 36" ZipCord Ultra Bungee Cord is constructed from high-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 10" to 54". Inside, premium rubber delivers optimal performance and elasticity for long-lasting repeated use. Glass-filled nylon sheathed steel hooks prevent rust, scratching and marring of personal items and vehicles and provide up to 3X the endurance than conventional hooks.