Yeti’s Rambler Jug is the human fuel tank that keeps your thirst quenched from dusk ’til dawn. Built with double-wall vacuum insulation, the Rambler Jug keeps the sips ice-cold (or piping hot) to the very last drop. The leakproof MagDock Chug Cap locks in liquid and every pour is smooth with the removeable Gluggler Not Vent. Note: Do not use the Rambler Jug Lid with carbonated beverages or for storage of food or perishables.