Olive Drab Transparent BPA Free CanteenThese canteens are modeled off of the US military's plastic canteen dating all the way back to the Vietnam war. A timeless design still in circulation today, these commercial versions are BPA free so you can hydrate without worry. They are also mostly transparent so you can see how much water you have left without taking off the cap. Speaking of which the cap is tethered to the top so you don't lose the cap on the ground! Drink safely with a fresh new