Universal Layard Rope Anti-Drop Consists of braided PPM (polypropylene), the tape does not absorb moisture and is weatherproof. The mobile phone chain is very light and very difficult to pick up dirt, perfect for outdoor activities. Compact and convenient anti-slip and anti-drop It can be used as a wrist strap or attached to a backpack with a built-in clip Material: braided rope, silica gel Size: about 23.5cm