Stain Erase Teeth Whitening PenBuilt for comfort and practicality, this product is designed to improve everyday experiences with user friendly functionality. Product Overview: Suitable for removing stubborn stains from tobacco, coffee, tea, red wine, yellowing aging, food and more! A simple do it yourself brushing program allows users to reach areas between teeth where stains tend to accumulate. Include complete instructions. Fast, safe and effective whitening, suitable for home,