Take your sobriety chip half dollar or challenge coin on the go with this Recoverychip black silicone keychain universal medallion holder. Slip your coin in the slot on the top of the back and the 34mm clear plastic window in the center will show off the front and back of your medallion while keeping it safe from scratching. Silicone like those wrist bands you see is soft, flexible and durable as well as unharmed by water. Want to show off two medallions? Slip both in back to back to show off a pair. 2 1/8" Wide 2 9/16" Long or 3.5" Long From Key Ring To Bottom. Comfortable in a pocket or purse no scratch. No need to wonder if your medallion will fit, this holds Wendells, Bright Star Press (Even Tri Plate) and Recoverychip and any other you choose to throw at it. Great for collectible coins like half dollars or smaller challenge coins.