These wallets may be small, but they are big on versatility! Each wallet contains a roomy card holder for your essential cards and a secure exterior zipper. In addition each has a substantial gate ring which can be attached to your belt loop or can be used to attach your keys. Each one is unique in both style and size! They are great for a quick trip to the store, a walk in the park, and can also be used simply as a wallet since the gate ring is detachable.