For use in all dot matrix printers. Carbonless stock paper is used daily in many business routines. Anyone who deals with manufacturing, billing, warehousing, logistics, inventories, and contracts use these forms. Companies use carbonless forms for their production orders, purchase orders, invoices, expense reports, packing slips, medical forms and even parking tickets. Item # 8821400 is manufactured for use in all dot matrix printers. Carbonless computer paper - 9-1/2'' x 11'',l&r perf. White/canary, 2 part continuous paper for hassle free printing.