As a sustainable alternative to plastic toothbrushes that usually pollute our natural environment and oceans, the bamboo toothbrush is 100% eco-friendly and biodegradable. Composed of the reusable bamboo handle and charcoal fibre bristles, this plant-based toothbrush has been tested and proved non-toxic. After processing, the surface of this natural bamboo toothbrush is quite smooth and free of burrs, so it won't hurt your mouth. The BPA free bristles are extra soft that won't scratch or make your sensitive gums breed. The toothbrush is water-resistant and not easily mildewed, so please feel assured that it will last as long as a regular plastic toothbrush with proper care. Furthermore, all the packaging for this bamboo toothbrush is also 100% recyclable. By making the switch, you can not only keep your mouth fresh but also help to protect our living environment from plastic pollution.