MAIN FEATURE Advance Design – 2 in 1 bathtub stopper and filter, anti-fouling, washable, can prevent hair and valuables from flowing down in the bathtub, and prevent unnecessary blockage. High-quality material – explosion-proof and crack-proof thick stainless steel, integrally formed, seamless, and no water leakage. No water leakage – thickened stepped silicone gasket, no glue required, anti-oxidation and anti-leakage. Easy to install – anyone can install the pop-up drain because of its simple structure, no tools are needed, just take out the old one and insert the bounce core to complete it. specification: Material – brass material/silicone gasket Size – Diameter 35mm(1.38inch)/Closed height 50mm(1.97inch), Bouncing height 60mm(2.36inch). Weight – about 120 grams