BLACKSTONE Vacuum Flask with insulation technology locks in temperature to preserve flavor and freshness, that keeps beverages hot and cold. The vacuum flask enriches everyday life - and all this in fresh colors to match the individual lifestyle, which also has your own health always in view. The functional highlights impress anyway the excellent insulation performance keeps the coffee or tea hot and cold drinks stay cold. Sit down comfortably or take a little break for yourself - your favorite drink is always fresh.