Quencher Protour Flip Straw 20oz TumblerDescription Introducing the iconic Stanley Quencher, now with the leakproof ProTour Flip Straw lid. The 20 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 colors feature fresh graphics with a soft texture on the handle and two tone lid. Your water stays ice cold for hours, thanks to double wall vacuum insulation. Its ready to grab by the comfort grip handle