Designed primarily to manage the floppy excess 1'' webbing on backpack shoulder straps once they are tightened. Simply install the Web Dominator on end of strap, roll/fold it up, and engage the shock (bungee) cord. Also excellent on backpack sternum straps to position hydration drink tube. Made from durable, low IR signature material. Pack of four. lon thread (stronger than ordinary industry standard nylon thread). #AS-100 high grade closed-cell foam padding material for superior shock protection. High tensile strength nylon webbing. #10 high strength zippers and zipper tracks. UTX-Duraflex nylon buckles for low sound closures.