Hydro Flask Small Packable Bottle Sling Excellent Condition Fill It, Sling It, Bring It Take your Hydro Flask on a walk or hike, running errands or to a festival. Our Packable Bottle Sling keeps a low profile when not in use, but stays light when you need hands-free hydration. Fits all Standard Mouth bottles and 16 oz, 18 oz, 20 oz & 24 oz Wide Mouth bottles Adjustable strap for shoulder or crossbody carry Packs into own pocket for easy storage and travel Stretch mesh pockets