Remove up to 90% of surface stains with our unique Stain Eraser brush head Gently polishes away stains to help whiten teeth Pro-Flex sides individually adjust to teeth for a thorough clean Gentle on enamel for everyday use Oral-B is the #1 dentist-recommended toothbrush brand worldwide With the Oral-B Pro-Flex Stain Eraser Manual Toothbrush, you can discover a whiter smile and remove plaque. That is because its dual-flexing head design combined with a unique Stain Eraser, work together to remove up to 90% of surface teeth stains and reveal a more dazzling white smile. Gentle on gums, but tough on stains, the Pro-Flex Stain Eraser toothbrush is the revolution you have been hoping for in your manual toothbrush. Color may vary.