Portable Pocket-Sized Hydration. Fill, drink, pack, and repeat. With durable construction and minimal design for easy packing and pocketing, the flexible Stow bottle helps make all your adventures the best they can be. An easy-open flip cap cover protects the spill-proof nozzle when not in use and the bail handle makes for more comfortable carrying and attachment. | Hydrapak Flexible Stow Water Bottle in Blue | Size 500 ml