STANDARD SIZE - Outer diameter: 4.5; inner filter: 3; depth: 1.2. The kitchen sink strainer will fit 3.2 - 4.2 drain, you can choose according to the width and depth of the sink drain. . MADE OF 18/8 STAINLESS STEEL - The sink strainer basket is made of 18/8(304) stainless steel, sturdy and durable, wont pit, rust or corrode. With a weight of close to 2 ounces, it can be stabilized in the sink drain and will not move with water flow. . WITH HANDLE, THOUGHTFULLY DESIGN - This sink drain strainer has added a new handle for easier lifting, which makes dumping out residue so easier, no longer worry about the drain strainer stuck in the sink. . ANTI-CLOGGING,1.5MM Dia HOLES - The kitchen sink drain catcher uses 1.5mm pinhole design, which can block more food particles. It is covered with holes all around and above, which can allows more water to pass through.