<br>Features: <br><br>Wavy head and flat head:<br>Wavy brush head, fully fits the teeth to prevent excessive force and damage to the gums. You can also choose the flat head toothbrushes to apply according to your preference. <br><br>Gentle but deep cleaning: <br>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. <br><br>Specification: <br>Size: as pictures show <br>Color: black and white <br>Quantity: 20 pieces in total <br><br>Package includes:<br>20 x Extra soft toothbrush