Key ring, also known as key buckle, keyring, key chain, key hanging and so on. The material for making keychain is usually metal, leather, plastic, wood, etc. This object is exquisite and small, the shape of the ever-changing is people carry daily necessities.
A keychain is a decorative item that hangs on a key ring. Key buckle modelling, such as cartoon shape, brand modeling, simulation model and so on, materials generally such as copper, aluminum, rubber, plastic, etc., mainly zinc alloy surface nickel or rhodium and other anti-rust elements.
Keychain has become a gift of small gifts.