Key chains, also known as lock key chains, key rings, key chains, key chains, etc. The materials used to make key chains are usually metal, leather, plastic, wood, etc. This item is delicate and small, with a variety of shapes, and is a daily accessory carried by people every day. Choosing a key chain that matches your favorite key can not only reflect your mood and personality, but also show your taste and bring yourself a happy mood. Key chains have a variety of shapes, such as cartoon shapes, brand shapes, simulation models, etc. Key chains have now become a small gift for gift.