True Utility TU241B-P CashStash Waterproof Emergency Cash Capsule for Key Ring CashStash provides you with an emergency stash of cash on your key ring Waterproof 'O' Ring keeps contents nice and dry Aircraft Grade Aluminum Capsule with Stainless Steel Cash Clip Clever capsule has a special cash clip inside designed to fit an one bill Measures 0.6 x 0.6 x 1.8 in.; 0.02lbs. Clever capsule has a special cash clip inside Fits any one bill Steel gray aircraft grade aluminum Completely waterproof 1.75" long x 0.6" wide x 0.6" high