Coin Box, 30 Wooden Coins Storage Box, 20mm/25mm/30mm/35mm/40mm-Size: The storage box measures approximately 210 x 163 x 65 mm. The storage box is made of high-quality pine wood and can hold 30 plastic coin boxes. The transparent coin box is convenient for storing, viewing, and changing coins. Good protection against coin leakage: The lid and bottom of the storage box are tightly closed. Our storage box has good moisture-proof, dust-proof, and antioxidant properties, which can safely protect the coins. High-quality coin capsules: The crescent-shaped opening design is conducive to opening the coin storage box. Dustproof, anti-oxidant, very durable, and cannot hold coins larger than 41 mm. Adjustable EVA Foam Gaskets and Slot Design: Equipped with 20 assorted EVA foam gaskets, the inner ring is adjustable and can be adjusted to the size of the coin. The foam gasket keeps the coins in place and protects your coins well so that they do not slip or get scratched. Exquisite Coin Organizer: The high-quality bronze hardware lock is easy to open and close; the wooden coin collection box is polished and the smooth surface is perfect. It can be used as a business gift and a decorative gift for holidays.