Bottle Bag (Original), for water bottles, wine, and various other vessels.
The long double strap can be adjusted to be worn over the shoulder or crossbody via the sliding knot, which can be pulled up and down to shorten or lengthen. The drawstring opening can be adjusted for bottle security.
One Size: Fits 20-32oz water bottles like Nalgenes, larger Hydro Flasks, larger Kleen Kanteens, and of course, wine bottles. :)