- Reheat or steam food in the microwave/stove, bake with them in the oven - heat resistant to 550°F
- These lids create a strong airtight suction seal on any smooth, flat surface—glass, stainless steel, aluminum, plastic, Pyrex, and more
- Unibody design has no holes or seams, making it super hygienic and easy to clean
- BPA, BPS, and phthalate-free
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