Upgraded 3-in-1 design: The RLQXG Sink Drain Strainer is intelligently integrated. It combines water storage, filtration, and deodorization functions into one, easily solving kitchen problems. Keep the sink free from obstructions, ensure smooth drainage, and make the kitchen air fresh. Robust and durable: The main body and the elastic spring device of the RLQXG Sink Drain Stopper are made of chrome-plated stainless steel. Stainless steel has strong rust and scratch resistance, ensuring a seamless connection to the sink without leaving any gaps. It is a durable product that is reliable in any kitchen. Easy one-touch operation: The RLQXG sink strainer features a unique pop-up design, which can easily switch between plug and filter modes with a click. Easily store water and drain quickly to enhance your kitchen convenience. With the upgraded responsive rebound design, it's easy to press, suitable for various occasions such as kitchens, restaurants, hotels, and dining rooms. Scientific anti-blocking design: RLQXG's efficient upgraded filter basket can trap food debris without affecting water flow. Easy to remove and wash, ensuring your sink is continuously free from obstructions and your hands are always clean. Compared to traditional metal sink strainers, the design of the waste basket is easier to clean. Universal easy installation and excellent customer service: The RLQXG sink drain strainer is universal and easy to install, designed for US standard 3-1/2 inch drain holes, compatible with sinks with a diameter of 2.95 \"-3.42 \" and a depth of more than 1.46 \". (Please measure the diameter and depth of your sink drain before purchasing) If you have any questions or concerns, our responsive and knowledgeable customer service staff will be happy to assist you.