This toothbrush is completely biodegradable, even the bristles and box. NO PLASTIC
-bristles are infused with bichotan bamboo charcoal which removes stains and whitens teeth and keeps breath fresher
-soft bristle brush
-durable and hygenic
-will last way past the time you are supposed to change brushes about 6 months
-each brush is numbered 1-6 so you know which is yours