Sink Drain Plug: The water drainage design offers a convenient alternative to traditional methods. Simply press the top cover to switch between plug (water storage) and filtration (drainage) modes. Built-in Filter: This drain features an internal anti-clogging basket filter that effectively collects hair and prevents blockages in drain pipes. Durable Material: Made from thickened stainless steel, the drain stopper is crack-resistant, smooth to the touch, rust-proof, corrosion-resistant, and resistant to discoloration. Easy to Install: Designed for simple installation without tools. Anyone can replace an old sink drain plug by removing the existing unit and inserting the new core. Wide Compatibility: Available in multiple sizes suitable for various applications including floor drains, sinks, and water pipes. Note: Slight color variations may occur due to lighting and display differences. These do not affect product performance. Color: As shown in photo Material: Stainless steel Package Contents: 4 x Drain Stopper Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement allows an error of +/- 1-3 cm.