Watch in amazement each time you fill this ceramic Xbox 10.1 oz. Heat-Change Mug with your favorite hot beverage and see the outside background color magically change from black to green! The wrap-around Xbox logo is proudly displayed in white. Gamers of all ages and Xbox devotees will appreciate this one-of-a-kind mug that comes in a full-color branded gift box. Order yours now so you don't miss out! Hand wash only. Not dishwasher safe. Do not microwave.