Pop Up Sink : Easy to clean, the top pressure plug is easy to unscrew and clean with a cloth. This drain stopper has an anti clogging basket strainer inside to prevent drain clogs. Basin Sink Slotted: High quality metal structure, made of brass, effectively prevents water stains and , suitable for humid bathroom environments, Pop Up Basin : Universal pop up valve, suitable for sinks with or without overflow. Comes with gaskets and fittings; extremely soft rubber seal, therefore optimal sealing. Basin With Plug: With a pop up valve, you can easily replace an old, worn sink valve with a new one. Thanks to the pressure spring, the drain can be closed and opened at the touch of a button and is leak proof. Easy to Install: The pop-up click clack plug is separable into 2 parts. They can therefore be easily attached and cleaned. Insert the sink plug stopper into the sink hole and then rotate it to fasten with the plug bolt