【High Quality Materials】 The sink drain plug is made of high quality rubber material, durable, long life, it will prevent the sink from leaking. 【Good Sealing Effect】 The drain plug prevents your dishes and unnecessary items from falling into the sewer and keeping the water in the tub or sink. 【Appropriate Size】 With a conical diameter of 45.6mm by 42mm (upper edge to lower edge) .Drain plug can be used for valve surfaces up to 45-42mm, the height is 1mm. The sink cap is a sink accessory, can not be used in the original fittings as completely fixed, If it protrudes, this is a normal phenomenon. 【Multi-use】 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, sloping sinks, sinks, sewers, bathtubs, etc. 【Quality Service】 If you have any questions, please feel free to contact us, we will do our best to solve the problem. If you are not satisfied with our products, we can refund or replace them.