A nylon bristled medium eco toothbrush quick and easy to change toothbrush heads just press the white button at the back of the toothbrush the low and high bristles effectively clean your back teeth as well as everywhere else reduce unnecessary waste by replacing the toothbrush head dentists advise you change your toothbrush heads every 3 months save money replaceable heads are cheaper than replacing the whole toothbrush handle colours are assorted and will be selected at random