This age 6 Warner Bros Batman birthday card reads on the front "6 Today." Included on the cover is Batman. Inside, the message reads "Happy 6th Birthday." There is also space for your own personal message on the inside. License - Batman Danilo is the leading publisher of licensed calendars, diaries, greeting cards, gift wrap and gift bags in the UK. We are a family run company thatâ€™s been operating for more than 40 years. Our licenses range from pre-school to adult. All the paper we use is responsibly resourced and we only work with suppliers and manufacturers that meet our stringent ethical requirements.