Stay hydrated in style with this 40 oz. Stanley Tumbler. Perfect for on-the-go! The double-wall vacuum insulation means your favorite drink stays cold for hours. The advanced FlowState™ lid rotates to three positions: a straw opening, one for sipping, and a full-cover top to help prevent splashes. The larger size even fits comfortably in your vehicle’s cup holder and has a rugged carrying handle.