Vacuum flasks are ideal items to customize and use for promotional purposes because of their universal appeal among a broad group of people. These?promotional thermos can be used to insulate any kind of beverage and keep them hot or cold. Many people use these Vacuum Flasks for insulating coffee. These customizable vacuum Thermos can insulate coffee all day and provide you with enough for multiple cups and even enough to share with friends and co-workers. Because these items are so large, they have large custom imprint areas which prominently display logos and designs. These large logos increase the promotional value of these Vacuum Flasks. DiscountMugs.com offers a variety of stainless steel vacuum flasks, so if this item isn’t perfect for you, be sure to browse our extensive collection.