Tapered Bristles: Bristles are thinner at the top, which provides gentle and effective cleaning by reaching untouched areas in the mouth. Right Size & Shape: It is made as per Kid's mouth size. A small head is suitable inside baby's mouth and does not hit the gums and cheeks around. Slip proof grip: Toothbrish is ergonomically designed with Anti-Slip grip to have control while brushing BPA Free: The bristles of the toothbrush is BPA free and therefore safe for children.