Material:Bristles: Charcoal split bristle. Handle: PP + TPE Specification:1*12*6 How to use:Put your brush into your mouth half covering gum and half coveing teeth. Press gently along the direction of teeth. Brush downward for upper teeth and upward for lower teeth. All aspects of your teeth have to be brushed. The same area need to be repeatedly brushed. Caution:Please do not brush teeth with acid bleach or detergent to prevent the bristles from shedding or deforming. Rinse the brush throughly after each using and put it in a cool and dry place. Toothbrush should be changed every two or three months. If the bristles get bent or tilted, please change it in time. The temperature of the water shall not exceed 50℃. The bristles contains charcoal to effectively eliminate bad breath in our oral cavity. Thin and soft bristles to better massage your gum and promote blood circulation. Soft and non-slip handle. Comfortable to grip and easy to operate. Brand MINISO SKU 100420125_NP-1020714175