Premium materials: The sink stopper is made of fine copper and 304 stainless steel with multi-layer chrome surface, which is rust-proof and durable. The silicone rubber ring is leak-proof and reliable. Highly efficient filtration: The built-in anti-clogging sink stopper effectively captures hair and dirt and lets them drain quickly to solve clogging problems. Easy to use: The pop-up design of the sink stopper allows you to switch between water retention and drain mode by lightly pressing the top cover. Installation is simple, just insert it into the drain hole. 2-in-1 Function: It is both a sink stopper and a sink strainer, which effectively collects hair, prevents blockages and ensures smoother drainage. Universal Fit: The sink strainer fits sinks with an inner diameter of 1.02 to 1.2 inches and comes with two types of rubber rings (34 mm and 40 mm) to ensure a firm fit. Suitable for drains in the kitchen, bathroom and bathtub. Please measure the size of the drain hole before purchasing. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received. 3pcs DC12V-24V 20A Rocker Switch, with Waterproof Cap + Red LED, SPST Metal Toggle Switch, On/Off 2 Position 3 Pin, Used for Car Auto Truck Boat