This is the pop-up plug by Carron Phoenix that comes now as standard in most of their sinks.
It has a sleek design and you can open or close the plug by pushing down on it.
Carron Phoenix offer a two year warranty on these plugs so here are a few practical tips if you want to increase longevity of these plugs,
- never take apart to clean, use a washing up brush instead to clean
- never put in a dishwasher (it causes rubber to perish).
- never wash something in a sink that has sand or grit attached as it does affect the pop up mechanism on the plug.
If you need to buy a Carron Phoenix Revolution Pop Up Plug (V4) you can find it here.