The iron material is not easy to deform after repeated use, and can maintain its original state for a long time. The metal key ring has an opening, which is very convenient to use. These key chains are very strong, so there is no need to worry about the key slipping off the key ring. Features - Color: Golden -Material:Iron - Size: 1.00X1.00X0.10cm/0.39X0.39X0.04in - The rings are perfect for home, car, office keys organization, DIY accessories, keychains connector to connect USB, hang cards. - Key rings are made of metal and have a smooth surface after plating, not easy to rust. - Key rings are designed to close more completely. Your projects will not easy to separate. - The key rings of each ring are firmly closed for tight connection, flexible to open, and back to stay closed tightly. - Practical for making key ring pendant, bags pendant and other accessories. Simple design, can be used by both men, women. Package list: 600 Rings