EBayWest Coast Paracord Bungee Straps are ideal for trailer tie-downs, cargo straps, luggage storage, boat straps, workshop straps, and MORE! Each cord has an abrasion resistant nylon sheath and a high elastic, multi-strand rubber core. Ends are clamped and have a strong, metal hook to attach and tie down. Metal Hooks are covered in plastic with an end stopper to make sure that your items are not damaged.  Offers these bungee straps in multiple diameter sizes and length options. Every size will come in a randomly selected color. Size Options (Diameter X Length) 5/16 Inch Diameter X 13 Inches Long - 7.94Mm X 33.02Cm 5/16 Inch Diameter X 16 Inches Long - 7.94Mm X 40.64Cm 5/16 Inch Diameter X 18 Inches Long - 7.94Mm X 45.72Cm 5/16 Inch Diameter X 20 Inches Long - 7.94Mm X 50.80Cm 3/8 Inch Diameter X 24 Inches Long - 9.53Mm X 60.96Cm 3/8 Inch Diameter X 30 Inches Long - 9.53Mm X 76.20Cm 13/32 Inch Diameter X 36 Inches Long - 10.31Mm X 91.44Cm Specifications Rope Configuration: Kernmantle Sheath Material: Multi-Strand Rubber Stretch Type: Very High (Dynamic) Color: Random Hook Color: Black Hook Coating: Plastic Package Quantity: Single WARNING: Serious personal injury can result from improper use of this product. Always ensure proper protective eyewear is worn when using the product. Do NOT overstretch. Inspect before use. Do not stretch toward or away from anyone. Keep away from children and pets.