Product Universal lid (pot lid with 16, 18 and 20 cm diameter) Steam outlet holes: Yes Material: glass, silicone Height: 5.5 cm Colour: Black 1.MULTI-FUNCTIONAL LID: The nifty thing about our innovative pot covers is that they are universal. Thats right. Use it to cover pots, pans and skillets, its universal design can fit (16cm, 18cm and 20cm) pots and pans. 2.KEEP YOUR KITCHEN TIDY: Instead of keeping dozens of different lids and covers for your pots and pans that overflow your cupboards and keep your kitchen messy, you can just use this convenient universal lid With this premium quality cover you have all different lids in one so you can keep your kitchen organized and tidy. 3.SAFETY DESIGN:The vent hole is for exhaust under high temperature and pressure. Prevents spillover with the steam-release vent.Glass lid allows you to watch cooking progress.The handle will give you a strong and stable grip so you can easily lift the cover whenever you need to without burning your hands. 4.HEAT-PROOF SILICONE: The lid is made with durable and strong glass and it has a silicone outer ring that is heat resistant so it can withstand Maximum temperature to 220 degrees Celsius and last you for years to come. 5.Space-saving: Apot lid for three sizes, ideal for small kitchens with little storage space, Steam outlet valve minimizes the risk of boiling over, transparent design is ideal for exposed boiling, dishwasher-safe.