Continuous-form paper is specially designed for pin-fed printers and contains 25 percent cotton for crispness and texture. Paper has 1/2" margin perforations and becomes 8-1/2" x 11" once perforations are removed. Paper is also perforated between each sheet. One-part, plain white, computer paper is ideal for computerized reports, forms and letters. 20 lb. computer paper is acid-free, lignin-free, watermarked and date-coded.