Sturdy material: this key chain is made of zinc alloy, polished with anodized surface, smooth and shiny, concise and elegant design, good quality will last for long time to useConvenient design: keyring is consist of a clip and a metal circle, you can DIY clip lanyard and fashionable jewelry making, easy to useDimension: lightweight and durable, just 15 grams, each size measures about 38 mm (L), 18 mm (W), 4.1 mm(T), and the key ring diameter is approx. 30 mmSolid construction: good corrosion resistance and won't rust, quick release, hook to your jeans, belt, and anything with a loop, never need to worry about keys falling offPractical gift: this is a good gift for Father's Day, graduation, bachelor party, corporate events, Christmas and other occasions and events