BOX FOR COINS IN AIRTITE CAPSULE HOLDER for SILVER DOLLARS, 12 H BLACK FELT Black chipboard box with insert to hold 12 of your encapsulated coin in MODEL H Airtite capsules. Durable and strong with high quality, textured exterior wrap. Black Felt card to hold your capsules in place. Model H Airtite capsules have an outside diameter of 44.45mm. Coins and capsules NOT included.