1.Premium Material Our U-shaped toothbrush bristles are made of food-grade soft silicone material. The soft brush head is safe and hygienic, it takes good care for your childrens teeth. Choose us for more peace of mind, so as to prevent childrens teeth from being scratched by the hard bristles.2.Unique U-Shaped Dinosaur Design The U-Shaped toothbrush attracts kids' attention, fits their mouth, and is not afraid of poking their throat. Lovely dinosaur design must be something that toddlers' will like. Make them like brushing their teeth and cultivate a good brushing habits.3.IPX7 waterproof & 40S Timing Our toothbrushes are IPX7 waterproof, can be washed all over. 40S smart timing function allows children to have a fixed time to clean their teeth, also freeing your hands, scientific brushing time for kids to cultivate correct brushing habits.4.360-degree Cleaning A 360-degree cleaning brush can effectively brush all areas that contact with your gums and teeth in 30-45 seconds, For cleaning mode, just move it left and right to reach hard-to-reach areas.