Universal Kitchen Sink Strainer: Designed to be compatible with standard American 3-1/2 inch drain holes, it fits openings with a width of 2.95"-3.42" and a depth greater than 1.7". This kitchen sink drain has been professionally tested to meet universal American standards. Please measure your sink's dimensions before purchasing.Easy Use & Service: This kitchen sink strainer is easy to use and requires no installation. Simply place the product into the sink drain hole to enable water storage and drainage by pressing it. For any questions, feel free to .Upgraded 3-in-1 Kitchen Sink Drain Strainer: Combines a sink drain strainer, kitchen sink stopper, and odor isolation function. Press the button to hold water for washing and press again to drain, while preventing food scraps from entering the drain. A reliable anti-clogging aid and a must-have accessory for kitchen sink use.Anti-Clogging Strainer Basket: Made of high-quality 304 stainless steel for long-lasting durability. The strainer basket effectively filters kitchen residue, prevents clogs, and keeps the drain holes clear. Easy to handle waste without getting your hands dirty.Fast Drainage & Odor Prevention: Features large drainage holes around the perimeter to enhance water flow and reduce draining time. Multiple layers of rubber gaskets help prevent bad odors, backflow, and leaks from the sewer, contributing to a clean and fresh kitchen environment.