Round coin case size (diameter x depth): inside size is 25 x 2.3 mm, outside size is 28.8 x 4.4 mm; Note: suitable coin of diameter less than 25 mm, please confirm that coin case's size and your coins size before purchaseFine sealing: the cover and base of these coin capsules snap together securely, dustproof and antioxidative, good as coins' protectors; Crescent opening design make it convenient to useDurable material: thickened plastic, durable coin holders, with safe round corner design, smooth to touch and holdQuantity: 100 x clear plastic round coin holders, enough for you to store many coins; Clear body allows you easy to see things insideNice gift: clear coin containers conduce to coin storage, view and exchange, great gift for coin collectors to protect and store his\/ her favorite coins