***Capsules are individually hand-packed, un-assembled, in between layers of foam to prevent scratches and to be easily assembled.*** 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.