Stay hydrated with the Stanley IceFlow™ Flip Straw Tumbler, combining vibrant design with practical functionality. Perfect for daily commutes and exercise sessions, it features a convenient flip straw for effortless drinking. The double-wall vacuum insulation maintains cold beverages for 12 hours and iced drinks for 48 hours. Designed to fit standard cup holders in vehicles, bikes, and exercise equipment, its folding handle ensures easy portability. Maintenance is simple—all components of this stainless steel tumbler are dishwasher safe.