Thermos Ultimate MKII Flask 0.9L Thermos vacuum insulation technology for maximum temperature retention, keeps hot for 24 hours and cold for 24 hours Stainless steel interior and exterior featuring protective silicone rings for high durability Cool to the touch with hot liquids, sweat-proof with cold Two part stopper to smooth the flow of liquids BPA Free <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.