[Safety] 6PCS silicone elastic fresh-keeping cover, 100% food-grade silicone material, has enough flexibility to ensure a sealed container, super high temperature and low temperature resistance, to ensure food safety Easy to Use6 sizes, enough flexibility, put it on the utensil when using, slightly stretch the cover, easy to assemble and disassemble. NOTE: To avoid slipping when stretching the rubber cap, make sure the cap, hands and edges of the airtight container are free of oil and water [Maintenance] Wash and disinfect with boiling water when using it for the first time. Do not touch sharp objects during use and storage to prevent damage; easy to clean before and after use, reusable More Uses6PCS Silicone Stretch Lid, 6 Different Sizes, Suitable for Sealing and Preserving Foods in Most Sizes of Bowls, Cups, Jars, Bottles, Jars, Pots, etc. It can also be used for sealing of cut watermelon, lemon, etc. and sliced preserved fruit