After testing this bottle ourselves and finding out that hot coffee can stay hot through 8 hours outisde and still warm after 12, we had to put this thing back out there. 

Here are the details: 
Double wall stainless steel construction
22 oz. capacityInsulated
wide-mouth bottle
Screw-on, spill-proof lid
Durable stainless-steel
hand loop
Fits most standard car cup holders
 
Keep coffee or iced tea at the right temperature. This custom insulated bottle is designed for hot or cold drinks, including drinks with ice cubes. The double-wall stainless steel vacuum and copper insulation keep beverages cold for 48 hours and hot for at least 12.