Specifications:Material: Copper, PlasticFinish: ElectroplatingFit Overflow Hole: 23-25mm / 0.91-0.98"Total Size: 30 x 13.5mm / 1.18 x 0.53"(D*H) Package Contents:1 x Sink Overflow Cover Descriptions:1.Made from plastic, wear resistance and corrosion resistance.2.Easy installation, Simply pushes in and clicks in to place, no tools are required.3.Widely used in homes, shopping malls, hotels, factories, kitchen, etc.