Features: The button part is made of engineering ABS plastic, which is strong and durable. Won't leak, won't get stuck flush toilet button is very easy to install. Just screw it up by hand. No need to use any other tools. Save your time and energy. Ancable toilet push button flush surface chrome plating process, which is very textured and can prevent damage by corrosion You can choose half-flushing or full-flushing according to the situation, saving resources and money Specification: Material: ABS Color: silver Aperture Range3.8-4.9cm/1.49*1.92inch Package Contents: 1x button Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.