Simple Solution® Cat Stain Removing Wipes contain a professional strength formula with the newest stain removing technology. These wipes are easy to use and work on new and old stains. Safe to use on carpets, upholstery, pet bedding, clothing, and other water-safe surfaces. Stain Removing Wipes work on both new and old stains. They remove all types of organic stains including ones caused by urine, feces, blood, dirt and grass. SIMPLE SOLUTION® Cat Stain Removing Wipes are also wonderful at removing other types of household stains such as stains from coffee, juice, red wine, sodas, and chocolate.