Tongue cleaner. Attack plaque! Suction cup base. 1. Ultra soft, raised inner bristles on the Dome Trim brush head design are clinically proven to clean below the gum line (data on file). 2. Tongue cleaner promotes fresh breath by gently removing bacteria on the tongue. 3. Handle design makes it easy for small hands to hold. 4. Suction cup base holds the toothbrush upright which helps keep bristles clean and reduces clutter on the counter. Collect all 4 brushes! GUMbrand.com. Made in China.