Oxy Fresh Cool Kidz Toothbrush is a soft-bristled toothbrush as opposed to a medium or hard. Soft bristles are gentle enough to get a thorough clean while not causing damage to teeth or gums. Oxy Fresh Cool Kidz Toothbrush has amazing cleaning power, yet its ultra gentle on sensitive teeth and gums. These are made of high quality material which makes it a best choice in the market.