Portable Eco-friendly BPA Outdoor Collapsible Adventure Foldable Sport Water Bottle Bag for Traveling, Camping, Hiking, Walking, Running White Black ( 2 Pack ) Flexible: Stood upright when full; Folded, rolled up or flattened when empty. Reusable and Safe: Ultra-durable, BPA-free with FDA-approved polyethylene inner-liner. Freezable: Chill overnight and you will have a refreshing beverage anytime throughout the day. Portable: Convenient hanging clip easily attaches to pockets, bags, or equipment for easy storage. Multipurpose: Best for Camping, Hiking, Cycling, Running, Jogging, Workouts Gym, Summer Camp or Travel.