harmless to coins, high hardness, not easy to damage, detailed process brings high transparency, smooth corner technology, intimate design is more convenient, durable coin capsuleMEASUREMENTS (DIAMETER x DEPTH): Clear round coin holder diameter is 30 mm, can hold not bigger than 30 mm coins, commemorative coins, perfect for zodiac commemorative coins or other coins under 30 mm in diameter and ancient coinssuit for holding most kinds of coins. Depending on the size of your coin, choose to use different sizes of foam gaskets to separate the foam ring from the Eva foam padCOIN CAPSULE ORGANIZER: The lid and base are firmly engaged together. It has dust and oxidation resistance. The coin box can be used as a coin protector and is specially designed for coin collection. It is a wise choice for coin collectorsProtect Gasket with Storage Organizer Box for Coin Collection SuppliesType: CapsulesCoin Capsules Quantity: 100 piecescolour:Transparent colorMaterial:PSsize:Foam gaskets diameter: 19/20 / 22.25 / 25/27 / 30mmCoin Capsules Size: approx. 30 mmPlastic Storage Box Size: approx. 185 * 120 * 38mmPackage Contents:100 x Coin Capsules100 x Eva Gasket1 x Plastic Storage BoxOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.