The round Jar of 350 ml, 53 mm Lug Neck is FSSC 22,000 certified, food grade, 100% lead free and toxic-free, microwave and dishwasher safe, easy to clean and wash and scoop out product packed. Being chemically unreactive and inert, these glass jars prevent chemical leaching into the product packed inside. These glass jars are used for packing a number of products such as milk shakes and juices, fresh milk, oils and vinegar, beverages, etc.