Sink Drain Without Overflow- This sink drain is suitable for sinks without overflow design, with a standard installation dimension of ¼, this drain plug is suitable for all commercial sinks without overflow. At the same time, the anti-overflow design can effectively prevent the unpleasant smell of the sewer and make your bathroom more comfortable and beautiful Easy to Use- Push-type rebound switch, just press the drain plug to close and lock it. Press again to open it and drain the water. You can turn the top cap counterclockwise to unscrew and remove it. No tedious operation is required, making it easier to use High-quality Materials- Our drain plug is made of all copper. Compared with stainless steel sink drains on the market, our products are of higher quality. To ensure corrosion protection and durability. Polished chrome finish protects against daily scratches and corrosion Easy Installation & Good Sealing - The drain plug fits all common sinks, please note its standard ¼