FLEXIBLE and STRETCHABLE: We offer you 7 pcs premium reusable silicone food covers with 7 different diameter sizes: 2.4inch/6cm, 3.5inch/9cm, 4.3inch/11cm, 5.5inch/14cm, 6.3inch/16cm, 7.5inch/19cm and 9.1inch/23cm. The silicone lid can double-stretch for easy food storage. Make sure the lid and container are completely dry before use so that they fit tightly to the container. Choose a lid 1-2 inches smaller than your container for the best seal | SAFETY& HEALTH: These silicone bowl covers for food storage are made of food-grade silicone and are free from harmful chemicals, ensure your food stays safe and the health of the family. The stretch lids have a soft texture and will not tear or warp, you can use them to cover most foods and put them in the refrigerator, microwave, and dishwasher | SAVE SPACES & EASY to CLEAN: Our stackable silicone food covers keep food fresh, prevent spilling and spattering, as well as help you easily organize your kitchen to store more food. The unique silicone material makes the lids easy to clean, such as rinse them with warm, soapy water or throw them into the dishwasher | GOOD SEALING, NOT LEAKAGE: The silicone bowl cover can form a sealing vacuum environment on glass, plastic, or metal containers. It keeps fruits, vegetables, beverages, and other foods fresh and prevents them from overflowing and adoring. The silicone stretch lids have good air tightness, when you use them in a microwave oven, please open the lid partially so that steam can escape | HIGH TEMPERATURE and REUSABLE: Silicone lids for food storage can accept low-temperature storage and high-temperature disinfection (-140 °F up to 464 °F). Suitable for refrigerators, microwave ovens, dishwashers, and picnics. Using this reusable silicone food cover replaces expensive plastic wrap, reducing plastic waste and helping you save money