Continuous-form computer paper delivers instant copies with pin-fed printing. Premium; black-image carbonless paper lets you print once for carbonless copies. Quality paper has 1/2 margin perforations and becomes 8-1/2" x 11" once perforations are removed. 15 lb. paper is also perforated between each sheet. Four-part; plain white; computer paper is ideal for computerized reports; forms and letters. Duplicates are in white.