1. Upgraded Brass Material Sink stopper kitchen drain, is consists of Brass, electroplating body and ABS material plastic sink strainer basket, which is more durable. (Comes with an additional ABS plastic anti clogging strainer basket.) 2. Suitable for Standard Kitchen Sink Strainer Sink strainer kitchen drain, is universal for the drain with opening 2.83 3.38 inches and depth greater than 1.4 in. Please measure the hole size before purchasing. 3. 3 in 1 Function Combo Kit 3 in 1 Kitchen Sink Drainage Filter with water storage and drainage, garbage collection or disposal, and odor isolation functions. It has a simple design with an easy to use pop up device. Press the sink plug once to seal the water, and press the drain button again. 4. Pop up Bounce Core Sink drain plug allows you to easily switch between fast drainage strainer and water storage by just pressing. It is suitable for various places including kitchens, restaurants, hotels and rv, etc.