Toilet Bowl Cleaning Block -- This toilet bowl cleaning block can remove stains on the toilet and make your toilet look brand new. Natural Ingredients -- This product is made of natural ingredients, you can use it with confidence. Long-Lasting Fragrance -- It can leave a light fragrance in your bathroom and make you feel more happy. How to Use -- You only need to put it in your toilet tank to automatically clean the toilet, which is very convenient. Wide Scope of Application -- Widely used in toilets, squat toilets, urinals, water pipes, washbasins, tile walls, etc.