Helps protect gums. Aquafresh Flex-O-Friends toothbrushes are specially designed for a child's teeth, tender gums and small hands. Remember, dentists recommend replacing your toothbrush every 3 months. Extra soft bristles effectively clean teeth and help protect tender gums. Small angled head helps kids clean hard to reach areas. Flexible neck helps absorb brushing pressure that may cause gum irritation. Non-slip big grip improves brushing control. Stand up feet. Note: Abusive bending may break flexible neck.