SEAGO Zero Germ UV Light Toothbrush Holders Sanitizer Sterilizer SG-107 Portable case design UV light which kills 99.9% of bacteria UV light that never needs replacement No matter how often you scrub and clean, microscopic critters will still thrive in the warm, moist environment of the average bathroom. In fact, a single toothbrush can harbor millions of microorganisms - millions! -- which means it's a good idea to sanitize something that you put in your mouth several times a day if you want to reduce your chances of bacterial infection. This is where UV Toothbrush Sanitizer comes in. The Zero Germ toothbrush sanitizer has proven to be effective in killing 99.99% of the H1N1 (Swine Flu) virus and other bacteria on toothbrushes. It fits all toothbrushes and most electric heads and is perfect for use at home, college dorms, camping trips, in the office desk drawer and any other place where you may want to store your toothbrush.