These &Keep interdental brushes feature a plastic-free bamboo handle, and are an environmentally friendly complement to your daily dental care. They enable you to clean the hard-to-get-at spaces between your teeth. Using the interdental brush together with a bamboo or wooden toothbrush, you not only protect your teeth and gums but at the same time, you protect the environment too. * 2 ISO standard sizes: 0.40 mm and 0.45 mm * Biodegradable bamboo handle * BPA free bristles * Vegan & eco-friendly * Recycled and recyclable packaging * Packaging printed with vegetable inks Each pack contains 6 brushes.