U-shaped brush head, suitable for the shape and mechanics of children's teeth structure. unique designed for children's tender gums and sensitive teeth.Soft grade silicone, soft brim around the teeth 360 degrees, providing a comfortable feeling of brushing, theoriginal cleaning path, effective deep cleaning, will not harm the gums, protect children's enamel.The cute and interesting appearance of the toothbrush makes children more interested in brushing teeth. This help your kids be willing to brush teeth longereven develop healthy brushing habits.