Perfect for all-day hydration, S'well's triple-layered, vacuum-insulated Original Bottle was designed to keep drinks colder or hotter for longer. The 17oz is perfect for everyday use. S'well bottles feature Therma-S’well® Technology with triple-layered, vacuum-insulated construction designed to keep beverages colder or hotter, longer than all the rest. It also offers a condensation-free exterior that won't sweat in your hands or bag. BPA/BPS-free and reusable. Hand-wash only. You can customise your bottle with your company name or logo, in either engraving or printing, horizontal or vertical.