This large size challenge coin and military medal display cases is among newest and most versatile cases that we offer. Your medals and coins are held in place by two flexible silicone membranes which make the item appear to be "levitating" in the frame. These membranes will conform to the shape of most any item like knives, pens, coins, stamps, antique pictures, or anything else you can think of. This allows the item to be viewed from the front or back. Plus, these frames are 100% acid and sulfur free, so they are perfect for preserving your treasures. Frame opens up by way of a magnetic flap. Once the flap is raised, the frame folds in half revealing the silicone membranes. Simply lay the item on one of the membranes, close the frame, and your display is ready! Frame interior measures 9 1/16" x 7 3/32" x 63/64". Perfect gift for military or law enforcement personnel who are retiring, being promoted or receiving an honor or award. This case, and its contents will be treasured for years to come. If using with coins, we recommend putting your coins in capsules for the best result.