A bamboo Toothbrush is a great alternative to plastic toothbrushes that usually end up in landfills or oceans. By making the switch you will help to protect and preserve our beautiful planet from plastic pollution. Quit single-use plastic brush sustainable with our natural toothbrush! Minimalist Design - Set of 4 More than a billion plastic toothbrushes are thrown away every year creating 50 million pounds of waste annually! Bamboo is an environmentally sustainable material, the world's fastest naturally renewing resource which is also inherently anti-microbial, anti-fungal, and anti-bacterial. The Indian Dental Association recommends replacing your toothbrush every 3 months, or when the bristles have frayed.