THIS "Zen As F#ck - Funny Coffee Mug" IS SURE TO MAKE ANYONE SMILE FROM EAR TO EAR! The best gifts are both personal and functional, that’s why this is a fantastic choice. Our mugs come in 11 oz sizes. They’re crafted from the highest grade ceramic, and our designs are printed and sublimated in the United States. PLUS, OUR MUGS ARE MICROWAVE AND DISHWASHER SAFE.