Revolutionized with Pro-Flex technology, the 3D White Luxe Pro-Flex toothbrush features two flexible, independently adjusting wings that flex to your unique teeth and gums to help clean the curves and contours. The bristles, together with the Stain Eraser, work together to remove up to 90% of surface stains. Plus, the Stain Eraser gently polishes your teeth to reveal a whiter smile. With bristles that flex to clean those hard-to-reach places, try Pro-Flex and try on a new smile