A "print ticket" refers to a physical, paper version of a travel or event voucher that serves as official proof of purchase and entry. While digital and mobile tickets have become the industry standard, print tickets remain a vital backup and are often mandatory for certain international rail systems or specific airline carriers that do not support mobile boarding passes at all airports. A print ticket typically contains a unique barcode or QR code, the passenger's name, and specific itinerary details. In the event industry, "print-at-home" PDF tickets are common; they allow the user to print the document on standard A4 or letter paper. These are often preferred by travelers who worry about phone battery life or lack reliable internet access at a gate or venue entrance.