Continuous feed, sturdy 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. The paper is marginally punched, rotary cut, and fan-folded for smooth feeding. Constructed of thick, 100-lb, unruled, white paper with perforations for 3" x 5" index cards. Ruling: Unruled; Card Size: 3 x 5; Color(s): White; Color Family: White.