Features 1. **Powerful Cleaning Action**: Our Toilet Cleaning Sheets contain effective ingredients like cocamidopropyl betaine and disodium EDTA, ensuring deep cleaning that removes tough stains and scale effortlessly. 2. **Effervescent Formula**: Each tablet fizzes and dissolves in the toilet tank, releasing powerful cleaning agents that tackle dirt and odors, leaving your toilet fresh and spotless. 3. **Easy to Use**: Simply drop one effervescent tablet into the toilet tank after flushing, wait a few minutes for it to dissolve, and then scrub with a toilet brush for a sparkling clean. 4. **Odor Elimination**: Not only do these tablets clean, but they also neutralize unpleasant odors, ensuring your bathroom stays fresh and inviting for you and your guests. 5. **Convenient Packaging**: Each box contains 12 effervescent tablets, providing you with a long-lasting supply of toilet cleaning power, perfect for regular maintenance and deep cleaning. Our toilet cleaning tablets (box set) contain cocamidopropyl betaine and disodium EDTA. It can powerfully clean and effectively remove dirt and scale from the toilet, helping to remove stains and deposits on the surface of the toilet. Its usage method is very simple: 1. After flushing the toilet, take out one effervescent tablet and put it into the toilet tank. Let it stand for a few minutes to allow it to dissolve completely, and then do a basic cleaning with a toilet brush. 3. Press the toilet switch to flush and clean. And it can effectively clean the surface and interior of the toilet, making it look brand new.