Bamboo Brush Heads FSC Certified Bamboo Eco-Friendly Design FDA Approved and Certified Biodegradable, Recyclable or Compostable Materials Worldwide Shipping 3 bristle types, at least one to suit every smile! Binchotan Charcoal (Charcoal Filament) - Whitening Spiral Bristle (PBT) - Plaque Removal Tynex Bristle (Nylon 1010) -  Sensitive Teeth and Gums  Achieve a premium clean while keeping our planet’s wellbeing at the heart!    (May take an extra 2+ weeks to arrive on top of expected delivery time due to COVID-19 delays)   *Results from using this product may vary from person to person and are not guaranteed.