2023 One Piece 2023 Square Calendar. This Calendar including vibrant images from Anime series, One Piece. The story follows Luffy who ate a Devil Fruit that gave him super-natural rubber body powers. This official Calendar has plenty of room for all your notes and appointments in the large monthly date panels provided. Product Dimensions: 305 X 305 MM Official One Piece Anime 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.