Features : 100% brand new, unused. Brass spring core, filtering and anti blocking, precision copper casting, plug and play: It can effectively prevent odor, quickly drain water and prevent blockage Explosion-proof and crack-proof thick stainless steel, integrally formed, seamless and no water leakage. No water leakageThis drain cover can prevent the sewer from stuck,can prevent the odor form sewer, so you can enjoy the fresh air home. Specifications: Material:brass material/silicone gasket Size - Diameter 35mm(1.38inch)/Closed height 50mm(1.97inch) Bouncing height about 60mm(2.36inch). Pacakge size:633cm Pacakge weight:35g Pacakge include: 1*Stopper Filter