1000ML Stainless Steel Vacuum Flask.

Key Features. 1.The flask has a 1000ml (1-liter) capacity and is constructed from SUS 316 stainless steel, a food-grade material resistant to corrosion. 2.It features a smart, touch-sensitive LED screen on the lid that allows users to monitor the internal temperature of the beverage. 3.Utilizing double-wall vacuum insulation, it is designed to keep beverages hot for approximately 4 to 6 hours or cold for longer periods.