The KEEPER® 5/16″ x 300′ Marine Grade Bungee Cord Reel is made from high-quality material for versatility and dependability no matter the application. The 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 long-lasting repeated use. Marine grade bungee cord reel allow consumers to customize the length of the cord as needed.