Premium Material: The Basin Sink Is Made Of High Quality Copper, Fine Workmanship, Corrosion And Rust Resistant. Gaskets Are Made Of High Quality Silicone, Anti-Aging And Anti-Cracking, Have Stronger Sealing Performance. Unique Design: Slotted Basin Sink Waste Has A Unique Design That Prevents Overfilling ,Solid Brass Bouncy Cores Have Good Resistance To Rebound And Rebound So Water Can Quickly Seal And Drain Water With Just One Press. Easy Installation: Automatic Pop Up With Overflow Bung Can Be Installed In A Few Steps Completely Without Using Commercial Sink Instructions Due To Its Simple And Practical Structure. Easy Cleaning: Pop-Up Chrome Drain Large Retractable Surface Are Easy To Clean, All Components Can Be Easily Removed. You Can Easily Unscrew The Top Drain Pressure Cap And Clean It With A Rag. No Hair And Encrustation. Wide Use: The Drain Pan Is Suitable For All Commercial Sinks, With A Standard Installation Dimension Of 1 ", Good For Kitchen And Bathroom. Please Do Pay Attention To The Installation Size Of Your Sinks Before Purchase.