Stainless Steel Vacuum Flask Japanese-Style Ichimatsu Printing Series- The Fashionable Japanese-Style Ichimatsu Printing Series Vacuum Flask Has A High-Quality Double-Layer Stainless Steel Vacuum Insulation Structure, Which Can Keep The Temperature Of Hot And Cold Drinks For Several Hours- The Close-Fitting One-Button Cup Lid With A Safety Lock Makes Drinking More Convenient And Can Prevent Drinks From Overflowing- A Special Process Is Used To Create A Round And Smooth Cup Mouth, Which Is Comfortable And Smooth To The Touch When Cleaning- "Ichimatsu" (Ichimatsu) Is A Two-Color Checkerboard Pattern That Has Historical Origins And Cultural Symbols In Japan- The Famous Kabuki Actor "Sanogawa Ichimatsu" In The Mid-Edo Period Is Famous For Wearing Pants With This Pattern- 1-5/8 Inch (4 Cm) Wide Mouth- Specifications: Capacity: 16 Oz- / 0-48 Liter- Dimensions (W X D X H): 2-5/8 X 2-7/8 X 9 Inches- Weight (Lbs- Oz-): 0-08- Heat Retention: 189 Degree F At 1 Hr- / 160 Degree F At 6 Hrs- Cold Retention: 46 Degree F At 6 Hrs- Zojirushi, Japan Top Home Appliances And Vaccum Insulated Products, Since 1918-