1. The switch button cover for food waste disposal is made of durable 304 stainless steel, while the threaded plug is constructed from ABS plastic for long-lasting service. 2. Installation of the strainers or stopper requires no tools. It is easy to clean by simply removing it and washing with soapy water. 3. It can be mounted on the countertop beside the sink or in an existing hole drilled in the sink ledge. 4. This item can also be used in food waste disposals, massage tubs, swimming pool pumps, outdoor machines, and automotive applications, among others. 5. Note: please double-check the size/diameter prior to placing an order. Please be aware that the actual color may vary slightly from the image due to different monitor and lighting effects. Allow for a deviation of 1-3cm due to manual measurement. Description: Material: 304 stainless steel, ABS Size: As shown in the picture Color/Style: As shown in the picture