The 320ml stainless steel tumbler with silicone carry handle comes with double wall Vacuum construction for insulation of hot or cold liquids, to store your liquid effectively and prevents any spills. 320ml capacity means you will never go thirsty for a drink. These impressive promotional stainless steel tumblers are suitable for hot beverages like tea or coffee or keep your daily water or similar cool beverage. An excellent promotional gift idea or to gibe to staff who are on the road for long distances at a time.