product description1. ODORLESS, BPA FREE & LEAK PROOF - Those plastic flasks are made of food grade material which is odorless and BPA free. Handy little flasks featuring screw caps for carrying liquids without leaks. Not just for drinks, milk, wine, fruit juice or any liquid beverages, but also good for puree, jam and any liquid foods due to its wide opening2. EASY TO CARRY & CLASSIFY - They are made of nonmetallic material, which is undetectable by scanners and metal detectors. The clear plastic bag make it easy to see the liquid inside and helps classify all kinds of drinks3. MULTIPLE USES - Being lightweight and durable, they can be used on many occasions. Good for camping trips, hiking, skiing, or any outdoor activities. Perfect for taking along on trips for where booze is sparse or super expensive4. NO PLASTIC TASTE AT ALL - Compared to metal flasks that usually have metal taste, the plastic ones have no issues with taste at all. They are also easy to clean and can be used repeatedly