GSI - Boulder 16 Flask

Your favourite 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.