These brush heads have in-built bristles (made by Brightdeal) which bend easily to ensure flexibility, thorough cleaning capability and also enabling both gentle brushing and deeper cleansing between teeth. Give yourself and members of your family access to the finest soft bristles toothbrush replacement heads. Get rid of unwanted bad breath and the hideous plaque build up with ease and comfort. The bristle section moves side to side and it delivers a thorough cleaning to remove plaque. Larger, compact brush head will leave your mouth feeling fresh and sanitized for the day. Even when your electronic toothbrush's power off, you could use it as if it were a manual toothbrush. It fits : - Oral B Advance Power Does not fit: - Oral B Vitality Sonic - Oral B CrossAction Power - Oral B Sonic Complete - Oral B Pulsonic Disclaimer: Our replacement brush heads are in NO WAY connected / affiliated to the Procter & Gamble Company or to their trademarks "Oral-B " and "BRAUN". We are independent manufacturer / seller of quality replacement brush heads that fit most electric toothbrushes*.