Crafted for both style and function, our 500ml Prism 500ml Stainless Steel Walled Vacuum Flask steel vacuum flask epitomises the harmony of utility and sophistication. This flask, engineered with a double walled construction, is designed to keep your beverages at the ideal temperature for hours, whether it’s your morning tea piping hot or your refreshing juice chilled on a warm day. This flask is an ideal choice for corporate gifts or promotional items, offering a daily reminder of your brand’s presence.