Features: Features a rubber rings and four side plate for a firmly fit, adapting to most sink size. Make from Plastic and Metal, the stoppers resists scratches and corrosion. Designs for simple, this sink stoppers requires no tool for installation: just insert it into the drain. Great for kitchens and bathrooms, suitable for nearly all sinks and toilets. It's great for use in both kitchens and bathrooms, providing a comprehensive solution for a variety of drainage needs. Specifications: Component: Plastic and Metal Diameter: about 4cm/1.57inch Color: White/Black Package Includes: 2Pcs Universal Sink Plug note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.