Effective Drain Cleaner : The Drain Clean Stick is effective drain deodorizer and cleaner, it has powerful enzymes those can break down grease, fats, oils, soap scum and food to keep the sink clean, eliminating embarrassing odor from drains to keep your house fresh. Convenient to Use : The drain clean stick is thin, round and 3.94 inches 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. Safe to Use : The drain strip is unstained and unfunded, health product for household, no need to worry about it. It is nontoxic and safe to use. Multipurpose Uses : 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. Clean Sticks eliminate embarrassing odors and prevent clogged sinks. Keep your drains clean and odor-free all year long just one piece per month, Magic sticks help to prevent clogging or smelly drains, perfect for kitchen, vanity, bathtub, sinks. Avoid embarrassing smells and nasty water buildup in sinks and showers.