We measure how much the temperature of a hot coffee drops, or cool water rises, over three hours for travel mugs and one hour for coffee cups. Travel mugs are checked at the end of the day to see if ...
Double-walled vacuum-insulated stainless steel tumbler keeps drinks cold up to 12 hours and hot up to 6 hours, without sweating Spill-proof, easy-clean lid can be used with or without the large ...
the beverage actually has to be hot. That can be a problem in the winter because the colder air temperatures can quickly cool the beverage in your mug. Popping your hot chocolate in the microwave ...