Brand : OtherMaterial : Stainless SteelDishwasher proof : NoType : Thermos FlasksMicrowave Proof : NoAre batteries needed to power the product or is this product a battery : NoIs this a Dangerous Good or a Hazardous Material, Substance or Waste that is regulated for transportation, storage, and/or disposal? : No*Maximum temperature preservation vacuum insulation technology - Keeps hot for 10 hours and cold for 24 hours Durable stainless steel inside and out Nice to touch with hot liquids Sweat resistant with cold light Compact design for easy transport and storage.*The steel we use is 18/8, or class 304, commonly known as food grade stainless steel, 100% BPA free, non-toxic and 100% leak-safe, no sweat or condensation, no metallic taste or weird taste, use it And drink safe and clean!*It is simple and convenient, and the practical design gives you more time to use, so you can enjoy your favorite drinks while running, driving and working. Convenient to avoid spills or dust.*Capacity is enough for your daily drinking needs. The stylish design makes you look cool. It is the perfect companion for fitness, yoga, running, travel, hiking, tennis, camping, office, school, cafeteria.*Using environmentally friendly manufacturing methods, materials and human interactions, Stanley is dedicated to saving natural resources, eliminating waste, and reducing your carbon footprint.