Material: Sink overflow ring are made of high quality plastic material,uniform color,excellent corrosion resistance,ensure surface keep shiny. Size: Sink hole cap outer diameter: 30mm/1.2inches; inner diameter: 25mm/1.0inches; height: 14mm/0.6inches.Suitable for standard overflow holes 22 to 24mm Easy to install: Please measure your overflow hole before order,just need to push in and click in to place,give a new look of your home. Function: Sink overflow cover with modern and simple design,good adhesion,uniform color, excellent corrosion resistance, ensure surface keep shiny Wide use: Drain cap cover suitable for most types of wash basin,such as shopping home,hotel,shopping mall,factory and other places. ColorSilver Package include8*Hole Cap Round Overflow Cover