LISSUDA 3Pcs Bathroom Sink Plugs Pop Up Sink Plugs Replacement with Drain Strainer Bounce Core Copper Drain Filter with Hair Catcher Universal Sink Drain Stoppers for Bathroom Kitchen Basin 34mm-40mm

I used this plug for my bathroom sink as my plug mechanism had broke really easy to fit just pop it in the hole and use push button to pop down when needing to fill the sink press button again to release the water super easy