Material:Straw+PBT coal bristles Specification:9.8x23.6cm How to use:Wash the toothbrush thoroughly after each use,shake off as much water as possible. Place the toothbrush upward in a mug,or leave it in a place that is ventilated with sunlight.athorough heat disinfection of the toothbrush every week is recommended. It is suggested that one person can rotate the toothbrush with 2-3,which is especially important for people with gingivitis and periodontitis.The same rotation also keeps the toothbrush elastic. Toothbrushes cannot be used together to prevent the spread of diseases. Caution:Keep away from fire. Dentists recommendation: replace your toothbrush every 3 months Using environmentally friendly wheat straw to replace traditional plastic,not containing any heavy metal.PBT bristles provide complete oral cleaning. Brand MINISO SKU 100424111_NP-1020724139