This Midori MD Undated Diary Sticker measures 5.5 x 3.9 inches and features 16 stickers of cream sticky note Midori paper. With these calendar stickers, your favorite notebook can be transformed into a monthly planner. You can stick a calendar at the beginning of each month's daily journal pages or group the calendars near the beginning of your Midori notebook for quick reference. The calendars are undated, so you can fill in the dates and use them anytime.