The KEEPER 48 in. 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. Inside premium rubber ensures optimal performance and elasticity for repeated use. At each end is a polypropene sheathed steel hook to prevent rust, scratching and marring of personal items. The bungee cord comes in a convenient four-pack to secure multiple items or can be used in tandem to keep larger item in place.