Mostenbocker’s Stain Removal System works by dividing spots and stains into three distinct categories: Water and protein; petroleum and natural oil; and pen, ink, and marker. Lift Off 1 is a food, beverage, and protein stain remover, Lift Off 2 is an adhesive, oily food, and grease stain remover, and Lift Off 3 is a pen, ink and marker stain remover. The system is available in various sizes.