2023 X-Men Marvel Square Calendar. Each month includes incredible imagery of the X-Men staring Logan , Mystique and Professor Charles Xavier to name a few. This official wall calendar has large 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 Marvel 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.