Stainless Steel Material: Made of stainless steel and ABS plastic, chrome plated housing, looks modern and shiny, decorative overflow hole, but not blocked. Keep the surface shiny and beautiful: The coating has a good adhesion, uniform color and excellent corrosion resistance, which guarantees a luminous surface. Sleek design for a perfect look in the sink. Easy to install: just insert it into the opening and click it on. Plastic elasticity is better than metal and won't scratch your sink Versatile: save water, compact and easy to carry, high performance, easy to use, fits with standard overflow holes from 23 to 25 mm. Suitable for most wash basins on the market, suitable for use in homes, hotels, shopping malls, factories, etc. Product name: Anti-slip cover -overflow. Materials: stainless steel and ABS plastic. Color: polished chrome Product process: water-based coating. Product category: decorative ring. Mode of use: sink. Versatile: widely used in homes, shopping malls, hotels, factories, kitchens, etc. Suitable for opening: 23-25mm round hole. Dimensions: outer diameter is approximately 30mm and inner diameter is approximately 14mm - Height: approximately 13mm. Package contents: 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.