Oral B iO Gentle Care Series Genuine Replacement Round Brushes, Suitable for Sensitive Gums, 4

HIGH BRASS DENSITY: Oral-B Gentle Care replacement brushes feature 4,000 soft strands for a delicate, perfect brushing BRINGS CHANGE COLOR: Oral-B replacement brushes feature colour-changing bristles to signal when to change the brush head to optimize your brushing REPLACE EVERY 3 MONTHS: A worn brush head makes brushing difficult and leaves plaque in place. For superior brushing, replace your brush head when the strands fade EXCLUSIVE FOR ORAL-B iO HANDLES: Get superior brushing power with the only brush head designed exclusively and guaranteed for your Oral-B iO electric toothbrush DENTIST APPROVED - Oral-B is the most used toothbrush brand by dentists themselves in the world