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
Use 3 times a day
Height x Width (mm): 545 x 370
Material: PVC (polyvinyl chloride resin)
Pocket size: approx. 50 x 90 mm
