... when empty, making it easy to use and carry everywhere you go. Unlike rigid water bottles, that are bulky when empty, the ... when empty, making it easy to use and carry everywhere you go. Unlike rigid water bottles, that are bulky when empty, ... foldable, reusable,collapsible,portable,flexible water bottle/water bag accompany you stay alone The BPA free, foldable, reusable,collapsible,flexible water ...