- Portable & Convenient : This set includes 10 clear round plastic coin storage boxes with a diameter of 21 mm. Their lightweight design makes them easy to carry, ensuring safe storage for your coins wherever you go. - Protective Quality : Constructed from high-quality plastic, these cases offer clarity and durability. They effectively prevent coin collisions and oxidation, ensuring long-term preservation of your valuable coins. - Excellent Sealing : The coin storage boxes feature high transparency and an airtight lock for robust protection. This sealing mechanism keeps your coins safe from dust and moisture, enhancing their longevity. - Shockproof Design : Each box is equipped with two sponge pads that provide shock absorption. This design minimizes the risk of damage when loading coins, offering additional cushioning from both the top and bottom. Use Scenarios : 1. Coin Collecting : Ideal for collectors looking to preserve rare or valuable coins in pristine condition. 2. Gifting : Perfect for storing coins as thoughtful gifts for friends or family members who appreciate currency collecting. 3. Traveling : Convenient for travelers who want to keep their coins organized and protected while on the go. These storage boxes are not only practical but also essential for anyone serious about maintaining the quality of their coin collection.