Wow your customers this winter with our spill proof insulated vacuum travel flasks! This 24 oz. Cylindrical thermal flask comes in silver, bpa free and is made of stainless steel. This trendy travel flasks can keep drinks hot for 6 hours and cold for 12 hours and is ideal for travelling and camping this winter. With a large imprint area of 2.75" w x 3.00" h, it is perfect for brand exposure. Include these insulated drinking flasks in your next trade show and see what great impact it makes!