Vacuum Flask 2.4 LTRThe Vacuum Flask 2. 4 LTR is an excellent choice for those who need a large capacity, reliable container for keeping beverages at the right temperature. With a generous 2. 4 liter capacity, this flask is perfect for serving hot or cold drinks to a group, whether youre hosting a gathering, heading to a picnic, or embarking on a long journey. Constructed from high quality, food grade stainless steel, the flask features advanced double wall vacuum