Cautions: Parents are advised to accompany their children who are using this product. For those with partial or complete dentures, dental crowns or braces, please floss carefully and gently. After flossing, if there is any discomfort, sorness, pain, bleeding in the gum or teeth, please consult dentist advice. This product is not a toy. Please pay special attention not to allow children to play with or chew it for preventing any danger.