Inspired by nature, the Elements Collection features a shiny, high-gloss finish that mimics the lustre and sheen of organic materials culled from ancient quarries. Each bottle is one-of-a-kind, just like the individual who carries it. Therma-S’well® Technology with triple-layered, vacuum-insulated construction designed to keep beverages colder or hotter, longer than all the rest. 18/8, food-grade stainless steel. Condensation-free exterior that won't sweat in your hands or bag. BPA/BPS-free and reusable. Hand-wash only.