Quality material: coin capsules are made of transparent and thickening plastic material, smooth to touch, dust-proof and resistance to oxidation; can hold 60 pieces not bigger than 41 mm coins, commemorative coins | Appropriate Size: clear round coin holder inside diameter is 41 mm, outside diameter is 45.7 mm, handy and compact, easy to carry around, suitable for storing American silver eagle commemorative coins; Warm note: not all sizes of coins can fit into the storage case, please check the size before purchase | Crescent opening design: each round coin case has a crescent opening in the outside rim, more effortless to open, making it convenient to use; The base and the lid snap together tightly to protect inside contents safely | Suitable for coin collectors: fit for 1 oz American Silver Eagle dollar, commemorative gold $50, 1 oz Silver Panda, 1 oz silver Australian coins (Kangaroo, Koala, Crocodile, etc), 1 oz Panda-Sterling, 1 oz Silver Britannia (1998-2012), 1 oz Silver Fiji Taku (Hawksbill Turtle), 1 oz Silver Libertad, 100 Peso and 5 Peso Silver | Great gift: clear coin containers conduce to coin storage, view and exchange, portable and easy to carry, great gift for coin collectors to protect and store his/ her favorite coins