100% nylon cord perfect for making bracelets, collars, leashes and more. Braided outer shell is durable yet cushioned, making the cord flexible yet comfortable enough to wear against the skin. More Info: Pepperell-Parachute Cord 325. The perfect cord for making bracelets, collars, leashes and more! 100% nylon. Braided outer shell is durable yet cushioned, making the cord flexible yet comfortable enough to wear against the skin. This package contains 3mm x 21 ft. of glow in the dark parachute cord. Imported.BICW