Anti-bacterial Nature Zone boxMini chamber for maintenance, sanitation and deodorizing mouth guards without any chemicals.Several studies have shown that there are many bacteria in the mouth as well as in the environment as we witness every day. Remove at least one threat and make sure your mouth guard is always clean and ready for use.Place your mouth guard in this mini chamber. It neutralizes threats within three minutes with the help of ultraviolet rays and ozone ions. Uses four AAA batteries. Automatic shut off button.