Specifications: The transparent design is convenient for users to identify coins and has a good display function. The outer edge of each coin capsule is designed with a small crescent-shaped slot, it can perfectly fit the shape of your finger and create strength points for opening the capsule. The matching inner pad can be adjusted in various sizes to store coins of multiple sizes. It is a good choice for storage of commemorative coins, suitable for storage in the office, home or storage drawer. Item Name: Coin Capsules Material: Acrylic Features: Durable, Easy o Use, Fine Workmanship, Collection Supplies Size Details: Storage Box: 16.5cm x 10.8cm x 5.5cm/6.5"; x 4.2"; x 2.2"; (Approx.) Capsule: Inner Diameter: 46mm/1.81";, Outer Diameter: 51.3mm/2.02"; (Approx.) Adjustable Pad: 17mm/0.67";, 20.5mm/0.81";, 25mm/0.98";, 27mm/1.06";, 30mm/1.18";, 32mm/1.26";, 40mm/1.57"; (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 30 x Capsules 1 x Storage Box 30 x Matching Pad (Coin Not Included)