Fly Baby Silicone Baby Finger Tooth Brush-Clear,Silicone material, cleans the mouth, fits the fingers, and is easy to use,Does not harm the deciduous teeth, made of silicone material, environmentally friendly, hygienic, easy to accept, and spends every tooth in the water ,The inner wall of the silica gel is covered with.Even if you bite your fingers, the pressure will be relieved