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