Thermos Stainless King Vacuum Insulated Food Jar, 470ml, Midnight Blue, SK3000MBAUS is 40% off @Amazon and available for $26.97 plus free prime shipping.
Thermos vacuum insulation technology for maximum temperature retention
Keeps contents hot for up to 9 hours or cold for up to 14 hours
Durable stainless steel interior and exterior
Extra wide mouth is easy to fill, serve from and clean
Cool to the touch with hot liquids, sweat-proof with cold