Coffee Slut Mug For the Real Coffee Lovers - Ceramic Mug by Trixie & Milo - Comes in a fun Gift Box For those who "just gotta have it every day", we have created the "GENUINE COFFEE SLUT" mug. You know who you are... Ceramic This fine ceramic mug is dishwasher and microwave safe Holds 12 fluid oz. (350ml) of the beverage of your choice Every mug comes packaged in a classically styled purple gift box