Product Description: Set includes three stretch lids in 20cm, 16cm, 14cm, 10cm, 9cm?and 6cm diameters The silicone stretch lids and food covers is compatible with many containers, including pots, soup bowls and glass jars. Easy to put on and not slide or ripped Significantly reducing plastic waste, they are more eco-friendly and the good replacement for plastic wraps, baggies, or your traditional containers Heat-resistant from -40?C to 230?C, you can directly put it into microwave, oven, freezer Easy to clean. Clean with soap water is enough BPA free Microwave safe. Freezer safe. Dishwasher safe. Oven safe Certificated by Germany LFGB Food Contact Grade Testing & U.S. FDA Made in China Cautions: For the first time, please use food cleaner to clean and to boil for 1 minute Keep these baking mats away from fire sources in case they get distorted Do not use knives or other sharp objects on the baking mat