Product Description "electric toothbrush children Hapika replacement brush 4 bottles" is, in the ultra-fine seared vibration per minute 7000 times, while dropping the plaque at the same time to massage the gums, children"s electric toothbrush friendly teeth and gums "Children Hapika" This is the replacement brush. Hair destination, a round processing friendly to the teeth and gums, firmly polish compact head. When bristles is open, when the hair part is dirty, the time that a month has passed by using two or more times daily, is a measure of the exchange period. Hair of hardness, softer. The material of the display pattern based on the Household Goods Quality Labeling: polypropylene, hair material Thailand Nex nylon, hardness of hair: softer, heat-resistant temperature: 80 degrees