The Biophysica Portable Stericards Generator is the smallest professional emergency water purification ionizer in the World. Business card size the portable Stericard generator provides safe drinking water and beverages for travelers. Ideal for use in camping, restaurants, beach and bars with drinks and juices of dubious origin. The Stericard is small, compact, light-weight, and convenient for restaurant, beach and bar for the use of use disinfecting all beverages. Makes for a lively focus of conversation. Don’t travel anywhere without one. It could save your life.