Experience the pleasure of drinking your favorite hot beverage in its perfect state, from the first sip to the last drop in your new favorite mug. Ember lets you customize the temperature of your beverage thus giving you total control of enjoying a delicious cup at your perfect temperature on your own time. The Ember Ceramic Mug is made of durable stainless steel with a reinforced ceramic coating, and has a capacity of 10 fluid ounces. Excellent preowned condition, tested and working. Comes in original box with instructions.