Material: Plastic. Toothbrush length 16cm, bristle silk diameter 0.12mm, three-sided brush head, brush head back tongue scraper design. Deep cleaning: It is designed in a V shape to cover the different sides of the teeth and completely wrap the teeth. Material: The bristles of this toothbrush are made of PBT material, which is smooth, soft, safe and durable, so you will never have to worry about hurting your children's gums. Practical design: The anti-skid and round handle of the three-sided toothbrush can adapt to the curvature of children's hands, so that you never have to worry about it falling off. Functional: Comes with the raised tongue scraper at the back, our toothbrush is functional to allow you to clean the tongue coating or massage your tongue, helping you avoid bad breath. Multi-uses: With the help of our V-shaped toothbrush, you can clean food in the gaps between teeth and gums, reduce the risk of tooth decay and protect the health of teeth.