Water Bag Folding 16 oz (Blue Army Pattern) Washable-Easy to Clean-Standable- Reusable - Foldable - Attachable - Freezable Can be rolled, folded or flattened when empty. Can be frozen to keep water cold. Our water bag weighs less than one third of any smartphone (33g = 0.07lb), easy portability with pocket carry compact size. Take this with your backpack, carrier, or just you for your travel, hiking, camping or any kind of outdoor life Have a fabulous summer with water bottle bags! *Blue Bubbles* BPA Free.