The Keeper® 40 in. Bungee Cord is constructed with a durable outer jacket to withstand UV rays and weather damage. Inside premium rubber ensures optimal performance and elasticity for long-lasting repeated use. The dichromate steel hook at each end provides resistance against bending under pressure, corrosion-resistance and are 2x more sturdy than standard hooks. Great for securing items, home, work, camping, on-the-go and much more.