OWNLY Nylon Tactical Gear Clip Web Standard Key Ring Holder Key Chain Quick Release Compatible With Molle Bags For Outdoor Activities Compatible widest belt size 1.96 IN Can be used with an ordinary belt or backpack Be used of double thick webbing,with a strong spring buckle Velcro quick to install,easy to use ,can be added to Molle system or your wallet, hold things together. Perfect for someone who looking for something to easily identify their blood type (or for a family member) as well as a place to keep small items in an easy-to-get-to place(You will never worry about looking for some small items if you own this small clip.)