Edelweiss Accessory Cord allows outdoor enthusiasts to safely and efficiently tackle their adventures, and even chores. Made with the same precision as dynamic climbing ropes and with diameters ranging from 1mm to 9mm Made of 100% Nylon core and Nylon sheath. Item 442969 is a special construction using a dynamic core and is also 100% Nylon core and Nylon sheath. Sold in spools. See cut-cord for shorter lengths.