... hook,the back side is soft loop. Velcro cable strapsFeatures and usage :1) Velcro strap is made of nylon.One ... is loop.2) Self-gripping, infinitely adjustable and reusable.3) Used for wires and cables,computer accessories,book arrangement, medical equipment ... .6)All products have passed ROHS & SGS, and use environmental protection raw material to dye, conform to the European environmental protection ...