The Oggi Pumpmaster is the perfect insulated beverage server for keeping drinks piping hot or ice cold. Liquids remain hot for hours while cold drinks are kept ice cold for up to 24 hours. The detachable locking lid removes easily for filling. It has an unbreakable double wall vacuum sealed stainless steel liner and a heavy duty pump system with patented locking ring to prevent spilling. Holds 3 liters.