Stainless Steel Material: Made of stainless steel and ABS plastic, chrome-plated 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: just insert it into the opening and clip it. Plastic elasticity is better than metal and will not scratch your sink Multi-purpose: save water, compact and easy to carry, high performance, easy to use, fits with standard 23-25mm overflow holes. Suitable for most sinks on the market, suitable for use in homes, hotels, shopping malls, factories, etc. Product Name: Overflow Cover. Material: stainless steel and ABS plastic. Color: polished chrome. Product process: water coating. Product category: decorative ring. Instructions for use: sink. Multi-purpose: widely used in homes, shopping malls, hotels, factories, kitchen, etc. Suitable for opening: 23-25mm round hole. Dimensions: outer diameter about 30mm and the inner diameter is about 14mm - Height: about 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.