【Rust and Corrosion Resistant for Long-Lasting Use】Our drain plugs are made of stainless steel and brass. And we have thickened the brass. They can effectively protect the sink plug from rust and corrosion caused by domestic sewage and oil. It can remain as new even if you use it for a long time. 【Filter Inner Diameter with 99% Applicability】The filter inner diameter of our sink plug is suitable for drain holes with an inner diameter of 34mm to 40mm. It has perfect compatibility and can be used for 99% of sink drain holes. 【Pop-up Drain, Easy to Install】Our drain plug has a pop-up design. It has a simple structure and does not require any tools. You can demolish it easily and quickly. There is no need to replace the drain parts. Simply remove the original copper core, insert our drain plug, gently shake the plug to fit the drain hole, and press the switch to save and drain water. 【Removable basket, easy removal of foreign objects and odor prevention】 This sink stopper is designed with