Cash Stash Keychain Capsule
Sometimes you forget your wallet at home and sometimes you turn out to be low on cash when you open it. Need an extra bill, hidden somewhere nobody would expect? This compact Cash Stash Keychain Capsule is constructed of stainless steel and holds a rolled banknote for urgent use, as well as your keys! It’s perfectly sealed to prevent water damage, so don’t worry about your money getting soaked up.
Check out also the FireStash Keyring Lighter - a tiny waterproof keyring lighter for folks who don't need lighters all the time.