Made of heavy duty metal hook and nylon webbing. Dimension: 3.94 "x 1". The carabiner hook keychain can be used with casual belts, tactical belts, tactical backpack. Fit belts up to 3 inches wide. Keeps small items in order, and make sure that you can get them easily and never be afraid of missing. Comes with velcro button closure, well constructed, adjustable secure. Easy to fall off, high strength and durable. Designed to hold keys, compass, kettle, decorations, tools or anything else you want to keep by your side. Easy to attach, no tools required. Designed to hold keys, compass, kettle, decorations, tools or anything else you want to keep by your side. Easy to attach, no tools required.