Formula 420 for Pyrex, Glass, Metal and Ceramic is the original complete 1 minute cleaner. The exclusive AbrasivActio technology eliminates the need for soaking and scrubbing. Simply Shake, Rinse and Enjoy! 12OZ Hassle Free Easy to Use Non-Toxic* Biodegradable Cleans and Deodorizes In Seconds GLASS, METAL, PYREX AND CERAMIC SURFACES ONLY.