This high-quality stainless steel mesh strainer is designed to keep solid material out of your sink, drain salads, or to screen spaghetti of excess water and help clean produce. When used over a kitchen sink, the strainer will prevent chunks of food, corrosive cleaning solutions, or other unpleasant materials from finding their way into your pipes. The colander filter opening diameter measures approximately 10.25 inches and the height measures 4 inches.