Cargo Control USA's SuperBungeesare perfect for pickup trucks, work trucks, and trailers, with each cord able to stretch four times their length. The cords are durable and have been tested to over 10,000 full stretches, the company said, and each bungee is made of 48 Nylon Cords (3,750 denier each) and comes with a steel-core, non-scratch safety hook with 180-lb. break strength. Additionally, each bungee is also UV and moisture-resistant.