You can write on the pocket area with water-based whiteboard marker and then wipe it off with tissue.
If you use the inner pouch (sold separately), it will be easier to take out the contents of the pocket. Product name: Calendar
4 times a day
Height x Width (mm): 625 x 440
Material: PVC (polyvinyl chloride resin)
Pocket size: approx. 50 x 90 mm
Lower pocket size (for 4 times a day): Approx. 65 x 217.5 mm
