A convenient set of 8 toothbrushes for kindergarteners to store. Each comes with a toothbrush head cover. Since each is individually wrapped, they store cleanly. Size: about 140mm Applicable objects: Kindergarten children (3-5 years old) Pattern: Polypropylene Wool: Nylon Hair hardness: soft Heat-resistant temperature: 80 degrees *Do not boil or microwave to sterilize. * To prevent accidents, do not play, walk or run while brushing your teeth