The set includes 3 bath plug sealing O-rings, which can be replaced and used to meet your daily replacement needs and provide you with a good user experience. Durable material: The replacement part of the sink plug is made of silicone material, which is soft, durable, not easy to break, and can be used for a long time. Our product can be used for a long time without the need for replacement. [Applicable Size] These sink plug washers have an outer diameter of 37mm and an inner diameter of 34mm, providing you with a good user experience. It has a certain degree of ductility and toughness, is not easily deformed, has a small volume, and is lightweight. Easy to use This sink plug rubber seal is very easy to install and replace. You just need to put the seal into the pop-up drain valve and insert it into the gap, which is practical and saves you time and energy. Wide application range This type of transparent rubber stopper is suitable for most drainage ditches on the market, suitable for bathroom sinks, sewers, filters, high-pressure cleaners, etc. It is your ideal bathroom replacement accessory. It is your ideal bathroom replacement accessory.