FUNCTIONAL DESIGN: High heat resistant and food safe silicone rim with different diameter sizes, 8.5” / 21.5 cm, 9.25” / 23.5 cm, 10” / 25.5 cm (outer edges 10.6” / 27 cm) and vented tempered glass so that you can see inside the cookware as you cook. This large lid is perfect for pots, cast iron cookware, skillets, fry pans, saucepans, Crockpot Express slow cooking or any other kitchenware that you need a lid for.The thick high-quality silicone knob stays cool for easy, safe use and is not too high for easier storage. Can be stored upside down in a skillet or other houseware to save space. The knob is oven safe up to 400 degrees Fahrenheit. These lids can sit upside down on the handle on the counter so that you can prepare food without fluid from the lid dripping or running and making a mess on the counter.EASY TO USE: Simply put the lid on your cookware and cook. DISHWASHER SAFE: Clean by hand or in a dishwasher.The vent hole is for exhaust under high temperature and pressure. Prevents spillover with the steam-release vent. Can be used as microwave splatter guard. Great asset for your household Perfect fit for all your cookware PotsPansSkilletsSauce pansSaute pansCrock potsStock potsBraiser pansCasserolesDutch ovensFrench ovensWoks Click the "Add to Cart" button to get your Universal Glass Lid Now