The Keeper 48 in. SST Bungee Cord 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 to personal items. The bungee cord comes in a convenient 4-pack to secure multiple items or can be used in tandem to keep larger item in place.