Allured by the glow of the celestial formations and interstellar flair, the Galaxy Collection, featured in an iridescent lacquered finish, strikes a cosmic illusion. S'well bottles feature Therma-S’well(R) Technology with triple-layered, vacuum-insulated construction designed to keep beverages colder or hotter, longer than all the rest. BPA Free and reusable. Stainless steel. 17 oz. Hand-wash only.