Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: I like the color and the sizes of these lids, and plan to use the large ones to cover my pot on the stove top. Unfortunately these are not 100% silicone and contains fillers as you can see in the pinch test. Google search shows silicone products containing fillers are not recommended for use under heat.

Failed pinch test, not 100% silicone contains fillers