the Thermal Insulated Bottle Nils From Sagaform has Been Very Popular in Scandinavia for Years. the Bottle Contains 50Cl & has an Advanced Vacuum Construction with Double Steel Walls & a Copper Coating, Which Provides Excellent Insulation, Without Condensation. This Bottle with Speckled Design Keeps Drink Ice Cold for Up to 24 Hours or Hot for 12 Hours. Minimum Quantities Apply.