Aquafresh Gel-Flex Toothbrush, Medium 53

As you brush, Gel-Flex gently wraps around teeth for better cleaning contact (As compared to an ordinary brush in laboratory testing, in between teeth). Gel-Flex: Has a flexible gel head that adapts to the shape of your teeth for a cleaning experience like no other; Deep cleaning bristles are embedded into a flexible gel cushion. Note: Excessive bending may break flexible neck. Made in Germany.