High Quality Material The sink drain stopper is made of high quality plastic, which is durable, non-toxic and odorless. It prevents the sink from leaking. Good sealing effect]. The drain plug prevents your dishes and unnecessary items from falling into the sink and keeps water in the tub or sink. [The tapered diameter is 47mm by 42mm (from the edge upper to the lower edge). This drain plug can be used for valve caps up to 44mm. Versatile: The drain plug is suitable for most places, the black plug makes this household plug not easy to get dirty, it is suitable for bathrooms, kitchens, sloped sinks, sinks, drains, bathtubs etc. Service quality If there is any problem, please feel free to contact us and we will do our best to solve the problem. If you are not satisfied with our products, we can refund or replace them.