Continuous feed, sturdy, fan-folded index cards that are ideal for processing through computer printers and regular word processing typewriters. Simply load the paper into the printer or typewriting machine and it prints flawlessly using the pinhole stubs. The paper is marginally punched, rotary cut, and fan-folded for smooth feeding. Constructed of unruled, white, heavyweight card stock with perforations for 4" x 6" index cards. Meets USPS requirements.