Guardhouse Direct Fit Round Holders are made of a virgin styrene acrylic polymer that is free of all oils and contaminants. The quality of the material ensures long term crystal clear clarity. Coin is held snugly in a sealed chamber, but the capsules are also designed so that they can be opened if needed. Interior; 38.1mm, Depth; 6.02mm, Exterior 44.30mm. Packed 10 pieces per box. Holds Large Dollars (Liberty Seated, Trade, Morgan, Peace & Eisenhower Dollars) or coins of same size.