Promotional thermos flasks are highly popular as business and corporate gifts. Practical in nature, branded vacuum flasks with their unique insulating properties are the perfect storage vessels for keeping liquids hot or cold. Designed in 1892 by Sir James Dewar the popularity of these promotional products has continued to increase over the years. Our range of vacuum and thermal flasks are available in a variety of colours, liquid capacities and styles. Custom printed or precision laser engraved with your logo and branding they are sure to be well received by everyone.