Highlights Dentists' favorite for over 40 years. User rubber tips to safely remove tobacco, coffee, tea and cola stains. Unique shapes maximizes effectiveness Product info: Dentists favorite for more than 40 years, StaiNo Tooth Stain Erasers feature specially formulated rubber tips that safely remove ordinary tooth stains caused by coffee, smoking and red wine. Comes with two tip shapes for effective use on flat surfaces and between teeth. Instructions for use: 1. Brush teeth with soft toothbrush rinse thoroughly. 2. Using light pressure and an erasing action rub tip on stained areas. Bullet shape - flat surfaces Point shape - between teeth Surface stain should come off easily. 3. Rinse thouroughly and repeat step 2 on difficult stains. 4. Use twice weekly. Caution: Discard erasers before cleaning tips wear to metals posts. Internal stains cannot be erased. See your dentist.