Hello LizS87
Thank you for your query.
For each passport, your first and last name, passport number and signature are required for the card to be valid. If you have a Swiss Tavel Pass Flex, you must enter the date in the blank field before each day of travel (note: only valid for the selected travel period). For further questions, please contact your point of sale directly (Klook).
I wish you a nice day.
Kind regards, AferditaH