Specifications:Material: PlasticFinish: ElectroplatingFit Overflow Hole: 22mm / 0.87"Total Size: 30 x 16mm / 1.18 x 0.63"(D*H) Package Contents:24pcs x Sink Overflow Cover Descriptions:1.Made from plastic, wear resistance, and corrosion resistance.2.Easy installation, Simply pushes in and clicks into place, no tools are required.3.Widely used in homes, shopping malls, hotels, factories, kitchen, etc.