Stainless steel matte finish water bottle with added texture to deliver the artistry of your most precious earthenware. 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. Made from 18/8, food-grade stainless steel. Offers a condensation-free exterior that won't sweat in your hands or bag. The 17oz emulates a standard size water bottle. Keeps beverages cold for 36 and hot for 18. Hand-wash only.