The Tin Mill - Key Safe, Stainless Steel Keychain Storage US Currency fits perfectly, but this item is great for PILLS, MEDICINE, HERBS and CASH Highly corrosion resistant Polished Stainless Steel Hold your daily medicine or store spare cash while you travel in a discrete, durable, attractive stainless steel case High Quality Bunna O-Ring Ensure a Water Tight seal to protect contects Used for Geo-cashing or a unique way to gift money to your favorite everyday carry fanatic