Experience a refreshing boost to your hydration routine with the Stanley IceFlow Flip Straw Tumbler. Perfect for busy days on-the-go or intense workout sessions, this tumbler features a convenient flip straw for effortless sipping. Its double-wall vacuum insulation and leakproof design keeps your drink cold for up to 12 hours or iced for up to 48 hours. The compact size makes it a perfect fit for car and bike cup holders, as well as on treadmills and spin cycles. The durable stainless steel construction is dishwasher-safe for easy cleaning. Don't settle for anything less - the IceFlow Tumbler has everything you need for a refreshing and satisfying experience.