This Interdental brush is designed for medium interdental gaps to help remove plaque and tartar build up that a Toothbrush or Floss can't reach. The handle is made from sustainable FSC Beechwood, suitable for home compost. Every tree cut down is re-planted and excess material is used to heat up the factory. These medium BPA-free nylon bristles effectively access gaps in your teeth without damaging the gums. • Comes in as a pack of 6 • ISO 2 / 0.5mm bristle for medium interdental gaps • Made from compostable Beechwood from Switzerland • Medium BPA-free bristles, made in Germany • Replace each brush every week or until worn Materials: Beechwood Handle^, Nylon Medium Bristles*. ^Compostable, *Z.T.L Recyclable. Packaging: Cardboard Box^*, Vegetable Ink^*. ^Widely Recyclable, *Compostable. Directions: Brush the Interdental Brush bristles vertically between the gaps in your teeth. Do not brush horizontally as you may damage your gums. Repeat for all gaps.