Good Cook Silicone Sink Strainer and Stopper Sink strainer/stopper universal size, two position mechanism acts as both a drain plug and a sink strainer. plastic ring won't scratch the sink Sink strainer/stopper universal size, two position mechanism acts as both a drain plug and a sink strainer. plastic ring won't scratch the sink Sink strainer/stopper universal size, two position mechanism acts as both a drain plug and a sink strainer. plastic ring won't scratch the sink Good Cook tools and gadgets Sink strainer/stopper universal size, two position mechanism acts as both a drain plug and a sink strainer. plastic ring won't scratch the sink