Keeps your toothbrush hygienic and fresh. Clinicals shows it kills 99% of germs - see images for study excerpts NEW PACK DESIGN! LASTS UP TO 8 MONTHS PER PACK Our new twin-pack with extra Snap-In Sanitizing discs now give 8 months total protection per pack. Get yours today! Toothbrushes harbor a host of harmful bacteria that can re-infect your mouth when you brush. Our Snap-On Sanitizer is a REVOLUTIONARY product that releases all-natural, anti-bacterial vapors to kill germs and safely sanitize your toothbrush between brushings.