This interdental brush is designed for large spaces between the teeth to help remove plaque and tartar buildup that a toothbrush or dental floss cannot reach. The handle is made from sustainable FSC beech wood, suitable for home composting. Each felled tree is replanted and the leftover material is used to heat the factory. These medium BPA-free nylon bristles effectively access gaps in teeth without harming gums. • Comes in a pack of 6 • ISO 3 / 0.6 mm bristles for larger interdental spaces • Made of compostable beech wood • BPA-free medium bristles, made in Germany • Replace each brush every week or until they wear out. • Packaging: Cardboard Box^*, Vegetable Ink^*. ^ Widely recyclable, *Compostable. Brush the bristles of the interdental brush vertically between the spaces of the teeth. Do not brush horizontally as you can damage your gums. Repeat for all spaces. Keep in a cool, dry place and protected from sunlight. FSC certificate