The Colgate bamboo charcoal toothbrush is good for you and good for the environment. The handle of this soft bristle toothbrush is Made from 100% natural, sustainably grown bamboo, and because it's from Colgate, you know it's been tested to meet our high standards. Bamboo toothbrush handle made with 100% natural, sustainably grown material BPA free rigorously tested to meet Colgate standards charcoal infused, Floss-Tip soft bristles