Air-Tite Coin Holder Storage Containers are the "Ultimate" Air-Tite Coin Capsule Holder storage system. Each Air-Tite Coin Holder Storage Container has the capacity to store up to 20 Air-Tite brand coin capsule holders. Air-Tite Coin Holder Storage Containers are available in all four sizes of coin holder capsules; A, T, H & I. Air-Tite brand coin holders are made in the USA from acrylic plastic with a non-yellowing agent, this process results in a final product that is hard, crystal clear and smooth to the touch. The cover and base snap together firmly to form a perfect seal. They are PVC Free, Archival Safe and are suitable for extended periods of long term coin or bar storage. These H-39 capsules will hold; 1oz Silver Rounds, 1oz Copper Rounds, Standard Casino Chips, 1oz Silver Somalian African Elephant, 1oz Silver Britannia (2013 only).