BUILT-IN STRAINER: Unlike ordinary push-button drain. This is an anti-clogging basket-type filter installed inside the drain stopper that can collect hair neatly to prevent drain clogging, so that items such as jewelry, rings, dirt do not enter the drain. 1.33-1.5 INCH DIAMETER BOUNCE DRAIN FILTER: This product can be used in different types of pop-up strainer basket drainer. It is suitable for drain holes with an inner diameter of 34 mm to 38 mm (1.33 in to 1.5 in). TWO-MODE SWITCH: The pop-up design overturns the traditional and inconvenient sink stopper (such as the base stopper with the chain). Simply press the top cap gently to switch between two modes - stopper (to drain the water). EASY TO INSTALL DRAIN FILTER: Simply remove the old filter and insert the rebound core to complete the installation. Anyone can do it. The thickened and extended nut allows it to be installed manually without the use of tools. HIGH QUALITY MATERIAL: The drain plug is mainly made of high quality stainless steel and brass. It is rust-proof and crack-proof and is formed in one body. Good rebound and rebound resistance, sealing and fast drainage can be achieved with just one click. Size: diameter 34mm-38mm (1.33 - 1.5) Material: copper + stainless steel + silicone Closed height: 40mm (1.57 inches) Bounce height: 50mm (1.97 inches) Easy to use and install 1. remove the old pop-up sink stopper 2. put in a sink pop-up drain filter 3. pop-up by one press, acts as a bathtub/basin stopper 4. collects hair, jewelry, dirt Package includes: 1x drain stopper Note: This does not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!becomeveryrich