Promotional Easy lock vacuum flask Double wall stainless steel vacuum flask that keeps your drink warm for up to 5 hours or cool up to 15 hours. The lid is lockable and therefore avoids any risk of leaking or spilling. The lid is easy to keep clean for optimal hygiene and can even be washed in the dishwasher. The unique design of the flask allows you to drink conveniently and safely with one hand directly from the flask. The size of the flask is suitable to place in any car drink holder. Capacity: 450 ml.