Sleek, Stylish. Sparkled, lacquered finish. S’well is the only designer, reusable bottle that looks great and does good. It keeps drinks cold for 24 hrs and hot for 12 hrs. Holds 17oz. Made from High-Grade 18/8 Stainless Steel. BPA-free & toxin free. Triple-Walled for maximum insulation, leaving no condensation on the exterior. Will not sweat in your hands or your bag!