The Frank Green 25oz Single Wall Reusable Water Bottle is designed for pure, ice-cold hydration with a fun, functional twist. Featuring a temperature-reactive finish, this stainless steel bottle changes colour when filled with cold water—just add ice and watch it transform. Lightweight and easy to carry, it’s finished with Frank Green’s iconic flip straw lid for effortless, on-the-go sipping. Perfect for daily hydration, workouts, travel, and summer adventures.
