Features: *Universal: 17/20/25/27/30mm universal, the inner gasket ring can be adjusted according to the diameter of the commemorative coin, remove the excess washer, and put the commemorative coin in, fix the coin without shaking, and prevent the coin from wear or tear *Premium Design: The coin capsules feature square rounded corners, providing a delicate and smooth appearance. The easy-to-open opening mouth and durable thickened buckle ensure convenient usage and long-lasting durability. Additionally, the set comes with a storage box, allowing you to keep your coin case capsules organized and protected. *Wide Applicability: These coin capsules are suitable for holding different types of coins, including commemorative coins, regular coins, and character coins. Whether you have 1 yuan, 5 yuan, or 10 yuan coins, these capsules can securely hold them in place. *Durable Material: Made of high-quality plastic, these coin capsules are sturdy and reliable for long-term use. They provide excellent protection for your coins, keeping them safe from scratches, dust, and other potential damages. *Package Includes: This set includes 50 pieces of coin capsules, each accompanied by a corresponding gasket. With sufficient quantity, you can store and protect your coin collection effectively. Specifications: Product Name:Coin Capsules Material:PS Size:for17/20/25/27/30mm Color:as shownw Fitment:Universal (adjustable inner gasket ring) Number of Pieces:50 Pieces Coin Capsules + 50 Piece Gaskets Package Content: 50 Pieces Coin Capsules + 50 Piece Gaskets(No coins included Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.