Two easy to put on and remove toothbrush refills for Colgate 360° battery powered charcoal toothbrush, with charcoal coloured bristles, removes 4X more bacteria than a leading battery brush† while being gentle on gums, cleaning and teeth whitening. Brush head includes 15X slimmer tip bristles‡ for hard-to-reach areas and below the gum line, tapered spiral bristles to help remove surface stains from teeth, and a cheek & tongue cleaner that removes odour causing bacteria. † overall tongue bacteria vs. brushing teeth alone ‡ vs. ordinary end rounded bristles