Air-Tite coin capsules are made of acrylic plastic which is safe for your coins, and they have a non-yellowing agent to prevent discoloring.
They have tight fitting lids, which prevent oxidization & tarnishing of silver coins due to air, moisture, sunlight etc.
These capsules feature a black foam ring to prevent coins from moving, and accommodate coins with marginally different sizes.
This Xtra large 38mm capsule is suitable for the following coins…
1.25oz and 1.5oz RCM Silver Coins (e.g. Bison, Polar Bear)