Adjustable double cuff zip are nylon, ,not easily rust and break. In situations you may not be able to carry a great amount of heavy steel And these cable tie are alternatives that easy transfer and strong restraint locking that you need exactly, due to the lightness, portability and toughness. Suitable for camping, hiking, adventure, survival and outdoor activities. cable ties Lightweight and small size,easy to carry. toughness allows you to twist it however you like, and finally it will stay as it is.