Premium Quality Material: Fozite sink drain strainer body and bounce core are made of high quality brass with multi-layer chrome plated surface, which has a beautiful appearance, durable and long service life, and prevents tarnishing, corrosion and daily scratches.Extra Basket Strainer: This kitchen sink strainer comes with an extra replaceable basket strainer, made of ABS plastic, safe and high temperature resistant and not easy to deform, which can effectively intercept food particles and debris, thus preventing drain clogging.3 IN 1 Function: Your sink drain stopper adopts an innovative pop-up design with multi-layer sealing silicone gaskets, which allows you to switch between sealing water storage, sink filtration, and odor isolation with just one click, which is simple and practical to enhance the user experience.Ideal Size For US 3-1/2 Drain: This sink drain strainer, fits standard U.S. 3-1/2 inches kitchen drain for sinks with openings between 2.8 inches and 3.4 inches in width and greater than 1.45 inches in depth, make sure of the diameter and depth of your sink drain before purchasing.Simple To Install & Use: Your sink strainers are designed to be easy to install, whether you are upgrading your kitchen or replacing an existing kitchen sink drain plug, ensuring an easy experience for all levels of users. It will save you time and effort in maintaining a fresh and clean kitchen environment.