1. Tooth brushing is easier: 1.7" super long first can clean 3 to 4 teeth at a time, saving your brushing time.2. Charcoal bristles: The black bristles are injected with activated carbon to inhibit the growth of bacteria, easily adsorb and remove dental plaque, and brighten teeth.3. Dental floss toothbrush: ideally combines the advantages of round bristles and soft tapered bristles.4. Mid-end round bristles: Round bristles can effectively remove surface stains and are gentle on gums and teeth.5. Soft cone-shaped bristles: Effectively reach between the teeth and remove plaque to the greatest extent.6.8 Angled toothbrush head: helps to reach the inside of the teeth, especially the inside of the upper and lower front teeth.Package includes: 2 toothbrushes (random color)