Unlike plastic bottle holders, SNAPGEAR can be attached to a bag and stored in a jacket or pants pocket, making it convenient to use when needed. If you dont want to get a plastic bottle in your bag, or you dont want to get wet in your bag, you can use SNAP. In addition, this carabiner is made of all resin. Lighter than metal and will not rust. Because it features bright colors, it can also be used as an accessory. SNAPGEAR is an excellent product that can be used in a variety of situations.