Luminescent pigments in the Spring Fling collection create ultra-bright neons to hype up your hydration. In several stripe patterns that pop off the neutral finish, let people know how you hydrate — with Stanley. The IceFlow™ Flip Straw Tumbler gives you uninterrupted hydration. Ideal for class and workouts, it has a built-in flip straw for seamless sips. Snap it shut and double-wall vacuum insulation will keep your drink ice cold for up to 2 days. With a folding handle that makes it simple to grab and go, supercharge your spring with a pop of neon for high-impact hydration.