Silicone Lids 14 '' 100% Food Grade Premium Food Grade Pot Bowl Covers Microwave Covers Pan Covers Skillet Pan (ONLY one pack 14 '' green) Got The FDA and LFGB Certificates from test organization: So there is a LFGB logo on the 14'' lid to show you this product is 100% food grade silicone ,FDA and LFGB approved .When ignited the food grade silicone,there will be no any smell but white smoke and the residuum surface after full combustion will be white.Stay away the harmful or cheaper silicone! SET of 1 ,13.8 '': Perfect for Pan,large bowls and large food containers.Easy to store. More Thicker and strong Suction: The suction will be more stronger if the lids are a bit thicker .The Super Kitchen lids are thicker than other lids .We did one of the tests that put the bowls with super kitchen lids in the fridge.The lids are still strong suction during 120 hours at -10 . Easy to clean and store,-40 to 480 : Food grade silicone is super easy to clean .Just clean it with water and put them on the hook .Dishwasher safe! The Super Kitchen lids is up to 480. Super Kitchen Guarantee:We also have a few kinds food grade silicone mats at our store. We are professional to offer the food grade silicone .We guarantee to you that No need any reason to refund these lids and get 100% money back ! Buy it now ,try the level up silicone lids.