Flexible neck bends to absorb excess pressure from brushing and soft bristles help reduce the risk of damage to baby39s gumsblue indicator bristles guide you how much toothpaste to apply to the toothbrushrubber cushioning on the back of the brush head helps protect tender gumsgum friendly for 0 3 yearsflex174 patented technologynote excessive bending may break the neck of the brushas soon as your baby starts teething it is important f