Enzyme cleaning action. As seen on TV. Drop 1 stick per month. Keeps pipes clear. Odor eliminator. All drain pipes. Kitchen. Vanity. Bath & shower. Safe for septic tanks. Kitchen. Vanity. Bathtub. Utility. Concentrated cleaning and sanitation sticks you drop in the drain once a month to prevent backups, clogs and nasty odors. The stick rests in the pipe-trap and slowly releases a blend of enzymes to break down food, grease, and other organic materials. Keeps water flowing and pipes odor-free. 24 sticks protect multiple drains in your home. Safe for use on all drains. www.SaniSticks.com. www.hamptondirect.com/ideas. To learn more about what's inside our ingredients visit: www.SaniSticks.com. Have a great invention? Visit www.hamptondirect.com/ideas. Made in China.