Stop drain clogs and stinky sinks with Drain Cleaning & Deodorizing Sani Sticks, the concentrated, sanitation sticks you simply drop in the drain once a month to stop clogs and nasty odors 1.Sani Sticks drain sticks eliminate embarrassing odors from drains and prevent clogged sinks 2.Save money on plumbers and drain snakes as powerful enzymes break down oil and grease to keep drains free and clear 3. Sani Sticks drain deodorizer and cleaners are thin, round and only 6.3 inches long and 100 percent safe for plumbing and septic tanks with no toxic chemicals 4. Avoid embarrassing smells and nasty water buildup in sinks and showers with just one Sani Stick per month 5. Keep your drains clean and odor-free, all year long with Sani Sticks as part of your cleaning supplies HOW TO USE: Simply put into the sewer, special volume decomposition of stains to smell. Use one per month for each location, 1 pack keeps it clean and fresh for a year. Wash hands after use.