DANCO 10528 is a drain cover that can be easily installed and removed without the need for any tools. It creates a watertight seal when inserted into the drain, preventing water from leaking out. The drain cover also has a built-in stopper that can be used to close the drain and fill the tub with water, or to open the drain and release water. The drain cover is made of durable materials and is designed to last for many years. It is also easy to clean and maintain, making it a great choice for any bathroom.