Enjoy a pint of Guinness or your favorite ale in our festive personalized Shamrock Mug, just right for St. Patty's Day or any other celebration that calls for a good brew. This gracefully-shaped 25 oz. mug is laser etched with an attractive shamrock pattern and includes the name of the recipient. Buy one or a whole set! Measures 3 3/4" X 6 3/4". Personalized with one line of up to 10 characters.