Modern Design: Round cover, attractive appearance, Double seal to prevent water leaks, perfect sealing of the sanitary facilities Widely used: The water socket Basin sink is suitable for basins with overflow or without overflow. Send a 50cm cleaning tool to clean hair and dirt in the drain valve to prevent blockages High material: The material is copper, corrosion resistant, high hardness , and chrome plated in a thick layer of chrome to ensure a long lasting, highly reflective mirror finish. and its spring tension is nice Easy installation: The drain can be installed in a few steps completely, even for novices, due to the simple and practical structure. Easy operation : Easy-to-use pop-up drainage design, pop-up up to 100,000 times, with installation instructions, suitable for installation on the bottom of the basin with a thickness of 17mm to 40mm, 2 year warranty Note: Pop up bathroom sink stopper itself has an overflow hole, so it can be installed on a sink with or without too much -full. The premise for correct installation is that the thickness of the sink water drain position is between 26 and 45 mm.