STURDY & RELIABLE：The military style bungee cords are particularly durable and tear-proof making them the ideal solution for transporting, packing and securing items. The tensile force is 35KGS (345N), the maximum expansion length 2 times the regular length. PREMIUM MATERIAL：Super elastic natural latex inner core provides consistent tension and is 50% more durable than synthetic rubber from other brands. WIDE APPLICATION - An essential tool for securing cargo and loads on cars, trucks, trailers, RVs, motorcycles, bikes, and also ideal for outdoor use to secure camps, tents, tarps, canopies. STRONG RUBBER COATED METAL HOOKS ：Hooks are made of steel with small plastic caps on the end to prevent scratches to your cars. A SIZE FOR EVERY NEED - Available in multiple size options to suit every need, each rubber bungee strap comes in a pack of 10 bungees with hooks. Choose from these sizes: 16” (40CM), 24” (60CM), 32” (80CM) and 40” (100CM).