Non-refundable onboard credit (OBC) is a credit that can only be used for purchases and experiences on the ship during your cruise. Unlike refundable credits, it cannot be cashed out or reimbursed, meaning any unused portion at the end of the cruise will be forfeited.
Non-refundable onboard credit can be used for (examples):
Start Time
Jan 02 at 12:00AM UTC
Princess Cruises