Product Description Aesthetically gorgeous, totally functional, and ever so ingenious, these lids turn any bowl into a storage container and fit the most common round container sizes. Reheat in the microwave, keep your drink warm, and prevent spills. Dishwasher safe and easy to clean by hand too. 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 surface - glass, stainless steel, aluminum, plastic, Pyrex and more. Its Unibody design has no holes or seams, making it super easy to clean. Made to last forever in your kitchen; BPA, BPS, and phthalate free. From the Manufacturer Aesthetically gorgeous, totally functional, and ever so ingenious, these lids turn any bowl into a storage container and fit the most common round container sizes. Reheat in the microwave, keep your drink warm, and prevent spills. Dishwasher safe and easy to clean by hand too. 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 surface - glass, stainless steel, aluminum, plastic, Pyrex and more. Its Unibody design has no holes or seams, making it super easy to clean. Made to last forever in your kitchen; BPA, BPS, and phthalate free.