The Brush-Baby Floss Toothbrush has mixed length bristles to help clean teeth and antibacterial action to reduce the growth of bacteria on the bristles. Ages 3-6 yrs Short bristles – clean the tooth\'s surface. Long bristles – reach between teeth and into the gum line. Natural silver antibacterial action keeps the bristles cleaner between brushing. Easy-grip handle. Small brush head is comfortable in mouths. Features unqiue bi-level bristles to help clean between teeth Available in Pink or Blue