Keep your toothbrush hygienic and fresh for up to 2 months per disc with Dr. Tung's Snap-On Toothbrush Protection. These anti-bacterial discs release essential oil vapors that permeate toothbrush bristles, combating odor-causing bacteria. The container is made with EcoPure®, and the product has not been tested on animals. It fits most manual and power toothbrushes and provides 60 days of protection per disc.