Stainless Steel Material: Made of stainless steel and ABS plastic, chrome housing, modern and shiny appearance, decorative overflow hole, but not blocked. Keep the surface bright and beautiful: The coating has good adhesion, uniform color and excellent corrosion resistance, which ensures a bright surface. Elegant model for a perfect look in the sink. Easy to install: Simply insert it into the opening and snap it into place. The elastic plastic side is better than metal and will not scratch your sink Versatile: save water, compact and easy to carry, high performance, easy to use, fits with standard 23 overflow holes at 25mm. Suitable for most sinks on the market, suitable for use in homes, hotels, shopping malls, factories, etc. Product Name: Anti-spill lid Materials: stainless steel and ABS plastic. Color: polished chrome Product process: water-based coating. Product category: decorative ring. Instructions for use: sink. Versatile: widely used in homes, shopping malls, hotels, factories, kitchens, etc. Suitable for opening: 23-25mm round hole. domensions: outer diameter approximately 30mm and inner diameter measures approximately 14mm - Height: approximately 13mm. Package included: 4 PC overflow rings. With premium plastic, the sinks are not scratched. Easy access without tools. With your hand you can install the overflow hole.