[Size] pp box is 7cm long, 4.1cm wide and 2.8cm high; Name: All silicone finger set toothbrush Material: liquid silicone Product features: Can be placed on the finger to clean the mouth of the newborn. The head of the toothbrush has a round head shape with soft bristles on one side, and the bristles are also made of silicone material. It is very soft and helps children to clean the mouth without worrying about scratching the child. Age of use: Start long deciduous teeth (6-8 months) until you can use children's toothbrush (about 2 and a half years old)