2023 Super Mario Square Calendar. Each month features colourful gaming imagery of key Nintendo characters Mario, Bowser, Luigi and Princess Peach to name a few. This official wall calendar has monthly date panels where you can keep track of appointments, birthdays and make plenty of notes for 2023. Product Dimensions: 305 X 305 MM Official Super Mario Product Danilo is the leading publisher of officially licensed calendars, diaries, greeting cards, gift wrap and gift bags in the UK. We are a family run company that’s been operating for more than 40 years. Our licenses range from baby to adult. All the paper we use is responsibly sourced and we only work with suppliers and manufacturers that meet our stringent ethical requirements.