We believe that dental health is mental health. Whatever that means. Anyhow, another funny but functional bathroom item, this 4" tall ninja steathily eliminates 99.9% of germs and bacteria from your toothbrush with antibacterial UV light. Just insert your toothbrush, press the button on the front, and in a few minutes, your toothbrush is clean, safe, and sanitized. The package includes a toothbrush.