Overview: The Stash Bottle Series is a thermoplastic polyurethane collapsible bottles. A couple of clicks, you open it up and unscrew the cap, expand the bottle and fill it up with your favorite beverage of choice. 750 milliliters of water at the ready any time. Super durable construction. RF welded seams make it incredibly hard to damage. Go ahead and put  200 pounds of weight on it and it’s not going to break. It’s ready to go, adventure ready, climbing, camping, hiking, hunting, fishing any time. New this year are Stash one liter bottles. A couple of clicks of the material around to the cap unscrew the silicone lined cap, expand the bottle, 63 milliliter lid is going to be functional like any standard filtration system on the market. Fill it up and it’s ready to go at any given time. Collapse it down and you can fit 5 or 6 of these in your pack in the same space that it would take you to carry one hard sided water bottle. Check them out at .