The metal material is not easy to deform after repeated use, and maintain its original state for a long time. The metal key ring has an opening, which is very convenient to use. These keychains rings are very strong, so there is no need to worry about the key slipping off the key ring. Features -Color:Black -Material:Metal -Size:2.50X2.50X0.20cm/0.98X0.98X0.08in - Suitable for organizing door keys, car keys, crafts, but also for hanging USB sticks, bottle openers, etc. - These split key rings are very strong and securely closed. Don't worry about your keys slipping off the key rings. - Perfect for DIY a treasure to remind graduates of that special graduation season. - Sending this DIY key ring with your favorite pendant, and come with your blessing to your loved one. - Wide Usage, and these split key rings are easy to organize different keys, hanging and trinkets, make crafts and arts projects, etc. Package list: Key Rings