Stay refreshed when answering the call to action with this Call of Duty Nuketown 10 oz. Heat Change Mug! The perfect way to stay alert and hydrated while taking on friends in Nuketown. Just add a hot drink to see the image change, revealing the iconic Nuketown Map. The Call of Duty Nuketown 10 oz. Heat Change Mug is an ideal gift solution for birthdays, Christmas stocking fillers or even the office Secret Santa. Hand wash only. Not dishwasher safe. Do not microwave.