The hydration station that keeps the water ice-cold or fill it with enough coffee to keep the whole crew caffeinated. The 100% leakproof, Rambler® One Gallon Jug is designed with double-wall vacuum insulation to seal in the temp. The MagDock™ Chug Cap locks in every drop and the Glugger-Not™ Vent makes it easy to sip and smooth to pour.