This toilet set is made of natural bamboo, stainless steel, and plastic, making it an eye-catcher in your bathroom. The included toilet brush features a plastic brush with a replaceable head, which fits into a closed toilet brush holder. An inner removable plastic container protects the bamboo set from dirt and moisture, ensuring cleanliness and hygiene are easily maintained. When purchasing a replacement brush head, make sure that the head itself has a diameter of approximately 8 cm and an internal thread of about 12 mm.