Description: 🌸【Upgraded Material Silicone Lids】Food grade and completely nontoxic. BPA-free, and lab-tested. Resistant to low and high temperatures (from -20F up to 450F). Without worrying about safety, feel free to use the lids in a freezer, microwave or dishwasher. 🌸【Various Size Always Fit】Silicone storage covers come in 6 sizes (2.5",...