This Vacuum Insulated Glass Vacuum Flask Made In Japan Is The Result Of A Collaboration With British Designer David Tonge (From The Division Studio)- It Has A Novel And Unique New Decagonal Shape, Uses High-Quality Medical-Grade Glass Inner Wall, Vacuum Heat Insulation, Brings Excellent Heat Preservation Performance, And Can Effectively Prevent Peculiar Smell And Stains- Specifications: Capacity: 34 Oz- / 1-0 Liter- Dimensions (Diameter X Height): 5-3/4 X 10-3/4 Inches- Heat Retention*: 151 Degree F At 10 Hrs- / 124 Degree F At 24 Hrs- Zojirushi, Japan Top Home Appliances And Vaccum Insulated Products, Since 1918-