IntriDesign 16 Oz Vacuum Cup Beverage Bottle, Stainless Steel Insulation Cup, Keep Coffee Hot and Fresh for Hours (Blue) Exquisite in craftsmanship and quality. The IntriDesign vacuum cup is made from high durability stainless steel with latest vacuum seal and double wall construction Superior insulation ensure hot or cold liquids remain the same temperature for extended length of time Light weight and portable design makes it a perfect choice for different occasions Appealing design and four colors to choose from, great for all age groups, men and women, elders or children