The first time I tried to grill an impromptu dinner, I had three meats on the grill. I smelled the plastic cover burning when I returned outside between trips into the house. The toxic fumes were everywhere. Since the product was less than $20, it is not worth my time to return them for a refund. Just cut my losses. I did read a lot of reviews prior. I was also excited thinking they really worked. But, they didn't.
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