Extra soft: extra soft toothbrushes adopt nano technology, more than 20,000 fine bristles are much thinner than other soft bristles, fine and soft, deep oral cleaning, designed for sensitive teeth
Multi-functional: soft bristles of the toothbrush help you prevent teeth recession from aggressive brushing, with comprehensive cleaning function, also suitable for tongue-cleaning
20,000 Soft bristles: more than 20,000 pretty soft micro-nano bristles, penetrate the gum line, deeply and smoothly clean your teeth and remove the filthy without hurting the tooth enamel, giving you a nice using experience