Official Key Items Bamboo Charcoal Toothbrush Over One Billion toothbrushes end up in landfills every year in just North America and takes over 400 years to decompose!  Help protect the plant by upgrading to these eco-friendly bamboo handle toothbrushes. Bamboo handle is 100% Biodegradable Benefits of Charcoal:  Helps brighten teeth  Absorbs Bacteria The Grey bristle toothbrush is Charcoal Infused which has antibacterial and detoxifying properties. Black brush head is NOT infused with Charcoal. Both grey and black heads are "Soft Bristles" for gently and effective cleaning, Dentists actually recommend Soft Bristles to help protect gums The slim shape and slightly smaller than traditional plastic brush head is perfect to reach deep between teeth and along the gum line without being harsh. Dentists recommend changing to a new toothbrush at least every 2-3 months.