GSI Outdoors, Boulder Flask, Graphite, 10 fl. oz.

Celebrate your outdoor adventures or your next concert with the GSI Outdoors Boulder Flask! Its copolyester resin construction is crafted to withstand any bumps, drops and dings along the way.The wide mouth design makes it easy for both filling up or pouring directly into a cup–plus an attached hinged silicone cap ensures a good grip even in cold temperatures.This BPA-free flask also features graduation marks molded on its surface, so you can easily check how much beverage remains inside without having to guess.Whatever your “poison,” you’ll enjoy worry-free trail sippin’ without any foul taste from the flask material.Don’t leave camp without this handy companion by your side!'