GSI - Boulder Flask

Lightweight, ruggedized hip flask.

Your favorite beverage can now go anywhere in the Boulder Flask. Includes graduations for measuring and can take any fall with the sleek bumper flask.

Shatter-resistant, copolyester resin body and grippy, silicone bumper mean this flask can go anywhere. Wide mouth makes for easy filling, pouring and drinking.

Hinged, stay-open top with silicone grip is easy to open and impossible to misplace. Convenient molded graduation marks.

Material: Copolyester, Silicone