Stanley The Quencher ProTour Flip Straw Tumbler 30oz - BlackStanley The Quencher ProTour Flip Straw Tumbler 30oz Black Introducing the iconic Quencher, now with the leakproof ProTour Flip Straw lid. The 30 ounce Quencher ProTour Flip Straw Tumbler makes hydration simple flip up the built in straw to sip, then snap it shut when youre done. Classic colours feature fresh graphics with a soft texture on the handle and a two tone lid. Your water stays ice cold for hours, thanks to double wall vacuum insulation. Its