In this age of concern over infectionus diseases, security, and liability, Glo Germ is an effective tool to demonstrate handwashing, surface cleaning, hygiene, and containment techniques. Since 1968, Glo Germ has provided users with a fun and safe product that casts a revealing glow when exposed to UV light, turning the invisible into "germs you can see"! The Glo Germ 1003 Kit with Gel contains a hand-held 9 LED ultra-violet flashlight, an 8 ounce bottle of Glo Germ Gel, a 1.9 ounce bottle of Glo Germ Powder, and battery in a case.