The 30-ounce IceFlow™ Flip Straw Tumbler is made to keep you hydrated in a fully functional style. Ideal for car commutes or workouts at home, it has a built-in flip straw for easy and effortless sipping. Snap it shut and the double-wall vacuum insulation will keep your drink extra cold for hours. Laser etched with the official 2026 Cincinnati Open logo.