●VERSATILE ROUND SUCTION LID - These suction lids turn any bowl into a storage container; fit the most common round container sizes ●LARGE 12.5 INCH COVER - An eco-friendly alternative to plastic wrap and foil, these lids are made from heavy-duty silicone that can be used in the freezer, fridge, oven, microwave, and dishwasher ●550°F HEAT-RESISTANT PLATINUM GRADE SILICONE ? Proprietary fiberglass core has superior heat resistance compared to tools with metal core, no need to worry about your lid getting too hot when left in a hot pan. Silicone design will not scratch non-stick cookware, melt on the pan, stain, or retain odor ●UNIVERSAL AIRTIGHT FIT - These lids create a strong airtight suction seal on any smooth surface - glass, stainless steel, aluminum, plastic, and more ●MADE TO LAST A LIFETIME ? Made to last in your kitchen and tackle demanding uses of home cooks and professional chefs. We stand behind our products, and will always make things right. Do not hesitate to contact us if you have any questions