The package contains 8 cleaning replacement heads, which can support your long-term use. The replacement head of the toilet brush is composed of sponge (polyurethane) and pp (polyethylene). These are environmentally friendly materials and can be recycled and reused. The toilet brush replacement head contains detergent, and you don't need to use additional cleaning liquid to clean the toilet. The toilet brush replacement replacement head will release cleaning liquid immediately when it encounters water, and it will release cleaning foam when the sponge is pressed during the cleaning process to help you clean better. Disposable toilet brush cleaning heads are widely used in toilets, bathroom sinks, bathtubs, bathroom walls, floors, etc. Each brush head is independent, and you can use it for cleaning in different scenarios. Disposable sponge: The sponge head can clean the hard-to-reach places under the bowl edge and drain pipe for deeper and faster cleaning.