The 180 ml glass bottle with CC Neck is a premium, high-quality, food-grade certified, FSSC 22,000 certified, flint (clear), 100% non-toxic, complete lead free, and microwave and dishwasher safe. This glass bottle is totally inert and does not leach chemicals into the packed product. The glass bottle is designed for packing milk shakes and juices, cold coffee, fresh milk, and beverages, etc.