Our 4 pack of bamboo toothbrushes are great for the environment keeping plastics out of landfills. The bamboo toothbrushes have a 100% biodegradable handle and the soft bristles are made from high quality nylon for gentle yet effective cleaning with BPA free bristles. Our zero waste packaging is made from recycled materials to help keep the earth green. American Dental Association recommends you change your toothbrush every three months. Bamboo is a natural product, sustainable and plastic free. Renewable Soft BPA Free Nylon Bristles Zero Waste Packaging Biodegradable Material Sustainable and Natural Environmentally friendly