Ci Whitening Floss Mint Wax with Fluoride 50m x 3 pieces Sent via Nekopos (Japanese postal service) 3 pieces ¥600 Mixing with black floss is also possible. Prevents staining and plaque around the interdental areas. Whitening type with abrasive. The spaces between teeth are prone to cavities due to missed brushing, and can also cause bad breath. How about incorporating this into your daily care routine? #DentalFloss