Drain Cleaner SAFE & NON-TOXIC - Non-pathogenic bacteria, lipase, amylase, protease. The drain strip is unstained and unfunded, is health product for household, no need to worry about it. CONVENIENT TO USE : The drain clean stick is thin, round long only. This dimension is suitable for any style of U shape drains. You can just drop it in any drains in your home and don't need any other actions. Just drop 1 pc Clean Stick in one drain per month as the effect. Easy for use and easy for store. SUITABLE FOR DIFFERENT DRAIN PIPES : The Drain Strip can be used in both plastic and metal drain pipes, 100% safe for home kitchen, vanity, bathtub, shower, wash basin and toilet bowl sewer drainage outlet. Drain Cleaner