Time to hang the tinsel, cue the lights and pick out perfect gifts for friends, family, and friends who are family The 30oz Quencher® ProTour Flip Straw Tumbler makes hydration simple — flip up to sip, then snap it shut and it’s leakproof. Thanks to double-wall vacuum insulation, your drink stays cold for hours. It’s ready to toss in your bag and fits most car cupholders.