One Hank of Marine Masters high quality bungee cord. Color: BlackDiameter: 3/16" / 0.1875" / 4.7625mm Length: 500ft / 166.5 Yards / 152.4 Meters Bungee cord is great for at home DIY arts and crafts, create your own tie downs, canoe, boat, and kayak deck rigging, ect. Our cord is guaranteed to last, and will retain its flexibility for years to come. The elasticity of this cord is 125% (+/- 5%), (IE a 10ft piece will stretch to roughly 22ft). All cord is marine grade and will not corrode or rot in the water. The outer jacket is polypropylene. This is the preferred material for outdoor and water activities.