4Pc/Pack Bamboo Toothbrush Bamboo Charcoal Nano Toothbrush of Dental Oral Care Soft Brush Adults Tooth Brush  Introduction: Material : Toothbrushes are Bamboo charcoal fiber;                  The handle of the toothbrush is PP rubber, strong and durable Dentists recommend: It is the best to change toothbrush every month.   Subtle soft fur can go deeply into the teeth, the more effective to clean your teeth, soft toothbrush protect teeth; Improve immunity teeth    Bamboo Charcoal function:    1. adsorption  2. the release of far-infrared  3. Sterilization  4. anti-oxidation  5. Charcoal has been called the new generation of energy and environmental Diamond   Package includes:   4PCS/set Black Charcoal Toothbrush   Dentist advice: Change toothbrush in time is good for oral health. In order to protect your teeth better, you should change toothbrush every 2 months or 3 month . New brush bristles can remove 30% more dental plaque.