The Coin Case Keychain money holder from Urban Gear is a great way to carry spare coins with you at all times. Made of strong aircraft grade aluminum, this keychain can take a beating and still look cool, and the compact size allows it to fit easily on your key ring with out being too bulky. Simply unscrew the top, drop in your coins and replace the top. A spring holds coins secure in the pod. A neoprene O-Ring on the cap creates an air tight, waterproof seal so you'll never have to worry about water damaged money. Great for rafting, waterparks, or working in wet environments. The Coin Case key chain will hold up to 9 coins making it great to travel with. Incredibly discreet, no one would even be able to guess what in this little capsule. With the Urban Gear Coin Case, its easy to keep an emergency stash of money with you at all times. As an added benefit, this product comes packaged in a handy, water tight container which can be reused for other purposes.