Features: 1. Effectively dissolves stubborn rust, calcium and lime stains accumulated in the toilet bowl. 2. Contains special interfacial active, water purifier, fungicide, and aromatic deodorant, can form protective film in the toilet the to avoid scaling. 3. Adopts premium material that the bacteria can be decomposed and near neutral formula to avoid damage or pollution to the toilet tank. 4. Easy to use, simply drop the deodorant into the toilet tank before going bed and get a brand new, clean toilet bowl in the next morning! 5. With natural pine flavor, effectively remove odor and smell in the toilet bowl. Instruction: 1. Rip off the plastic shell (do not tear away the water-soluble film). 2. Put into the water tank floating ball below, pay attention not to block the exit. 3. Protective film will be dissolved once it's put in the water , blue bubble slowly dissolved in the water. 4. Stay away from the outlet, so as not to affect the aging, or even block the outlet. 5. water temperature and water quality on the slow release of this product has a certain impact. 6. When the color gradually disappears, please replace it in time. Specification: Condition: 100% Brand New Item Type: Toilet Cleaner Diameter: Approx. 4.5cm / 1.77inch Package list: 10 * Blue Bubble Deodorant Notice: If accidentally touch the product with eyes or eat by mistake, please rinse fully with water or seek medical. Please keep this product away from children and storage it -5℃. 1、 1. Effectively dissolves stubborn rust, calcium and lime stains accumulated in the toilet bowl. 2、 2. Contains special interfacial active, water purifier, fungicide, and aromatic deodorant, can form protective film in the toilet the to avoid scaling. 3、3. Adopts premium material that the bacteria can be decomposed and near neutral formula to avoid damage or pollution to the toilet tank. 4、 4. Easy to use, simply drop the deodorant into the toilet tank before going bed and get a brand new, clean toilet bowl in the next morning! 5、 5. With natural pine flavor, effectively remove odor and smell in the toilet bowl.