Elastic Bungee Cord: Made of Latex Rubber Core Surrounded by Polyester .[3 Types for Choices]: 4Pcs 1/4" x 10 Foot elastic nylon cords with shock cord hooks, 1/4" x 25 Foot shock cord rope with 10Pcs shock cord hooks and 1/4" x 50 Foot shock cord rope with 20Pcs shock cord hooks .[]: Elastic bungee cord is made of latex rubber core surrounded by polyester; It is UV, abrasion and Marine nylon hook resistant, rust and corrosion resistant, use bungee hooks easily and effectively in harsh weather conditions .[Bungee Hooks]: Length 3/16 inch, inner diameter is about 8MM, suitable for standard 1/4 inch shock cord rope .[Flexible Cord Rope]: The elastic rope absorbs shock, helps to carry and hold items, Strong, durable and easy to cut, and you can put the lanyard rope in your home, office, vehicles, garage and bag whenever you need it .[Wide Application]: These elastic nylon cords with shock cord hooks are not only suitable for essential kits for water sports such as boat, kayak, rowing, marine, but also for daily home use and outdoor exercise, fitness, camping, fishing leashes, cargo net, fixing roof rack, trampoline, zipline or your favorite local gym, etc.