Industrial Strength Shock Cord: Top-quality, marine grade shock cord with industrial level strength, stretch, and longevity! | Proprietary Dacron Polyester Shell: Our proprietary design and construction provide long-lasting resistance to all-weather environments and UV rays. The 1000 denier dacron polyester shell covering repels water and defies abrasion even better than nylon. | Long Lasting 100% Stretch: Guaranteed to hold elasticity longer than other bungee, and shock cords on the market. First extruded latex rubber holds a consistent 100% stretch and high modulus. | 99 Sizes and 20 Colors For Any Situation: Eight Diameters: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 3/8". Six Lengths: 10ft, 25ft, 50ft, 100ft, 500ft, and 1000ft. Nineteen Colors: Black, Brown, Emerald Green, Kelly Green, Maroon, Midnight Blue, Neon Green, Neon Orange, Neon Yellow, OD Green, Pink, Purple, Red, Royal Blue, Silver, Tan, White, Woodland Camo, and Yellow. | Veteran Owned and Operated: Just like the Marine Corps, SGT KNOTS is committed to be the best of the best. We continue to live by the motto, Semper Fidelis—Always Faithful. Our loyalty to our customers is what makes us who we are, and the reason we continue to grow in popularity and product offerings. We promise to maintain the strength and consistency of our products. We also pass down our bulk savings to our customers!