Your interdental space brush is made of sustainable bamboo and BPA-free Nylon-6. Bamboo is a renewable and biodegradable resource. Did you know that bamboo is an antibacterial material that bacteria cannot live on? Benefits of THE ECO GANG Bamboo Interdental Brush: - Antibacterial - Vegan - Plastic-free - Environmentally friendly - Durable Certified: - The vegan society - Not tested on animals green goose Sustainable Products, Environmentally Friendly Materials