Stay hydrated at work, during travel or between workouts with the Stanley 1913 Quencher ProTour Flip Straw Tumbler in Cream. The ProTour Flip Straw lid opens for convenient sipping and closes to provide a leakproof seal when properly secured. Double-wall vacuum insulation helps keep water cold for hours. A comfort-grip handle and cup-holder-friendly design make this tumbler easy to carry and keep within reach throughout the day.