Brand new patented BellFlask Holds 12 oz of liquid. Ultra light weight Perfect for concerts games and outdoors,Will never set off a metal detector reuseable BPA Free ,Assembled in USA. Folds up to size of a deck of cards. You can boil liquids or freeze in flask. Comes with Funnel for filling. Use and rinse with hot water. Fits in your purse or pocket without leaking. Perfect gift for wedding party! or indoor or outdoor activities of all type. Great for kids juice boxes or water. Backpackers,kayakers and canoeists love this!