This Ambar Ideas Numismatic Bag with 12 compartments measuring 55x55mm is a transparent filing sheet designed for coin collectors looking to organize and protect their collection securely. Measuring 20x25cm and compatible with most numismatic folders, each compartment accommodates larger coins, allowing you to view both sides without removing them. The transparent and durable material protects the pieces from oxidation, dust, and excessive handling, keeping the collection in good condition over time. A practical and affordable option for collectors starting or expanding their numismatic collection.