Guardhouse Small Dollar 26.5mm Direct Fit Coin Capsules, 50 pack. These direct fit coin capsule, coin holders are designed to securely hold and display your prized coins. Guardhouse coin capsule coin holders are designed to hold Small Dollar or any 26.5mm size coin. Made from acrylic plastic with a non-yellowing agent. These holders are produced completely inert and PVC free and safe for long term storage.