Instruct: Classify Amazon reviews into positive or negative sentiment
Query: health hazard

I am a physician and have an issue with baking anything on plastic, silicone or otherwise....we now are aware of the issue with heating in tupperware and are learning more...and you want to bake on silicone????I'll take my health over the 5 extra minutes it takes to wash a cookie sheet. Wow.Dr. Tracey Martin MDPhoenix Arizona