Good Sealing: Sink drain stopper with white leak-proof silicone ring, providing effective sealing to prevent food residue from causing pipe blockage. Note: Fits a 35mm sink hole; please measure before purchasing. Unique Pop-up Design: Bathroom pop-up sink plug features a built-in spring. Press the pop-up cover to close or open easily. When closed, the sink can be filled with water; press again to drain quickly. Premium Selected Materials: Pop-up push button drain stopper made of stainless steel and brass, with a smooth surface, strong and corrosion resistant, safe to use, and a silver finish that complements most sinks. Easy Installation: Bathroom sink stopper is simple to install. Remove the old stopper and insert the new stopper button into the sink hole for quick connection and use. Applications: Pop-up sink plugs are suitable for kitchen sinks, bathroom basins, household laundry trays, bathtubs, mop buckets, and swimming pools, effectively retaining water in the basin. Specifications: Product Name: Pop-up Push Button Drain Plug Material: Stainless Steel, Brass Bounce Cover Diameter: 35mm Seal Ring Size: 37mm Package Includes: 2 x Pop-up Button Drain Plugs