Plastic: made of ABS plastic with a chrome print on the lid for a modern, shiny look that decorates the overflow hole but won't clog it Easy to install: the hard-wearing chrome finish matches the tap and is easy to install, put a little soap on it and slide it on easily without breaking the foot of the lid. Keeps the surface shiny: the plating has good fine adhesion, uniform colour and excellent corrosion resistance, ensuring a glossy and bright surface Best fit: these sink drain plugs match most types of sinks on the market and are suitable for use in homes, hotels, shopping malls, factories, etc Dimensions: outer diameter approx. 31 mm, inner diameter approx. 24 mm, height approx. 15 mm fits a standard overflow hole of 22-24 mm, 9 drain caps are sufficient and spare parts are also available for good replacement. Features: can be placed with just one press, no tools required. Suitable for all types of ceramic basins on the market. Widely used in homes, shopping centres, hotels, factories and kitchens. Large quantity: comes with 9 sink drain plugs, enough for you to use, spare parts are also available to replace the originals. No discolouration: the coating is chrome and will not fade or rust, it also retains its glossy and silvery surface. Material: plastic Colour: silver as shown Package includes: 9 sink overflow covers Caution 1. Please allow 2-3mm deviation due to manual measurement and different measurement methods. 2. Please note that due to lighting effects and screen brightness/contrast settings etc., the shades in the website photos may differ slightly from the actual item. 3. Easy to install, put a little soap when installing so that it slides easily and does not break.