(20) Air-tite X44mm Black Ring Ring Coin Holder Capsules for 1.75" Military Challenge Coin and 1oz Silver Lunar Series 2 Measurements: Inside Diameter 44mm x 3.96mm Depth, Outside Diameter 53.79mm x 7.2mm Depth Genuine Air-Tite Holders Brand Coin Capsules Rings are placed inside the capsules Capsules are shipped Un-Assembled between layers of foam Coins that Fit: 1oz Silver Lunar (Series 2) and 1.75" Military Challenge Coin