There is something special about drinking coffee or tea from a proper mug. That could pose a problem though if you wanted to start the coffee at home and then take it to work or on your morning commute. The Ultimate Coffee Mug gives you a classic tumbler combined with the unique features of a travel bottle. Constructed with copper lining, double walled stainless steel and a ceramic inner coating gives this mug the full insulation of a regular thermos. Complete with a adjustable spill proof lid and a easy hold round handle makes this the ideal mug for at home or on the go.