Swell 17oz Bottle w/Flip Straw Calacatta Gold

Swell bottles feature Therma-Swell Technology with triple-layered, vacuum-insulated construction designed to keep beverages cold for up to 36 hours, or hot for up to 10 hours. The convenient flip-open straw cap allows upright sipping and closes securely when not in use, making it ideal for commuting, workouts, and travel.