Our toilet wash contains sodium percarbonate， baking soda， lemon extract. It can effectively remove stubborn stains; Remove residue and kill 99.9% of household bacteria; Flush the inside of the toilet from all directions; The concentrated liquid dissolves evenly and automatically removes dirt; Effective deodorization， continuous maintenance perfume; Suitable for all types of flush toilets; Non-corrosive and toxic. Its use method is very simple: unscrew the cleaning liquid cover; Base up， liquid down， directly screwed on the base; Open the tank cover， quickly put the bottle mouth down into the tank; When you press flush the toilet， the toilet cleaner will be automatically released for cleaning; The cleaning solution can be released quantitatively and can be used for about 6 months. Effective deodorization， continuous maintenance of perfume， continuous cleaning， lasting deodorization， removal of stubborn stains.