Enjoy your coffee break in good company with this officially licensed Guardians of the Galaxy Groot Heat Change Mug! The 10.1 oz. black ceramic mug features the tree-like Groot on one side and the Guardians of the Galaxy seal on the other side. Add a hot drink and watch as Groot's branches and vines take over the mug! Mug is not suitable for dishwasher or microwave use, but it will make your morning tea or coffee extra special.