Leather key case & holder 20DESCRIPTION PATRICK STEPHAN Collection. Keyholder with the case for storing key. Plain type without studs Currently, there are various types of keys such as car keys, card keys, and IC keys. It is difficult to find a favorite type that can store them, but this keyholder with a case (*) solves this problem. Of course, you can put the key attached to the ring in the case, but you can also store coins or cards in the case while leaving the key outside.