[High-quality material]: The anti-overflow cover is made of BPA-free food-grade silicone, which is environmentally friendly. Multi-function-Without lid, it is suitable for all kinds of pots and pans, more→and can also be used as a steamer. [Easy cleaning] The water on the lid can keep the stove clean and save time, just clean it with soapy water, brush or dishwasher. [Durable] Silicone will never break, but the glass cover is not necessarily. This function can successfully extend the service life of the product. Suitable for temperature range -40F to 446F. [Perfect size] The diameter of the anti-spill cover is 27cm, and the diameter of the ear is 32.5cm