Brushd interdental brushes improve your daily oral care routine by helping to remove build up between your teeth. Made with bamboo handles to reduce your plastic footprint. The brush is made from plastic as there has not been an effective alternative found yet. Vegan. Approved by dentists. 5 per pack. Available in 0.4mm, 0.6mm, 0.8mm, and 1.0mm wire sizes. Instructions: Gently push the brush into the space between two teeth. Move the brush horizontally back and forth to clean the teeth and gums. Do not do this roughly. Use the brush without toothpaste and before brushing teeth. Clean the brush with running water to reuse again and replace after 7-14 days of use. Brushd will be happy to recycle these for you! Please return used brush heads to use at: Brushd., Q-West , 1110 Great West Road, TW8 OGB.