This listing includes two AirTite Coin Holder Capsules that have a black ring and fit 1 oz Silver Rounds that are 39 mm in diameter. The brand of the capsules is AirTite and they are made in the United States. These capsules are perfect for protecting and displaying your valuable coins. They are designed to be airtight and prevent dust, dirt, and other contaminants from getting to your coins. These capsules are a must-have for any serious coin collector or investor.