Plastic material: made of ABS plastic material, the cover is printed in chrome, has a modern and shiny look, decorates the overflow hole but does not block it Easy to install: finished wear-resistant chrome plated to match the faucets, easy to install, put a little soap on it, slide it easily and do not break the cap feet Maintain the surface bright and shiny: plating layer with good fine adhesion, uniform color, excellent corrosion resistance, ensure surface gloss and shine Most suitable: these sink drain plugs match most types of sink on the market, suitable for home, hotel, shopping mall, factory and other places Size: outer diameter is approx. 30mm, and the inner diameter measures approx. 20 mm/ 0.79 inch, height is approx. 16 mm/ 0.63 inch, suitable for standard 22-23 mm overflow holes, 9 drain cap covers are enough to use, also have spare parts for good replacement Features : Just press and click to place, no tools required. Suitable for all types of ceramic pots on the market. Widely applied for homes, shopping malls, hotels, factories and kitchen. Large quantity: Comes with 9 pieces sink drain plugs, enough for your use, also have spare parts to replace the original. Non-fading: The coating layer is chrome, will not fade or rust , also keep the surface gloss and silver. Specifications: Material: plastic Color: silver as picture shows p> Outer diameter: approx. 1.18 inch/ 3 cm Inner Diameter: Approx. 0.79 inch/ 2 cm Height: approx. 0.63 inch/ 1.6 cm Package includes: 9 x sink overflow covers Note: 1.Due to manual measurement and different measurement methods, please allow a deviation of 2-3mm. 2.Please note that due to lighting effects and brightness settings / monitor contrast etc, the color tone of the website's photo and the actual item could be slightly different. 3.Easy installation, put some soap on it when of installation so that they slide easily and do not break.