8.5 x 11 Rainbow Max NCR Carbonless Paper, 3 part Reverse, 1670 Sets, 5000 Sheets, 10 Reams (FOR OFFSET PRINTING) Manufactured with non-tinted pulps resulting in stable, attractive sheet and superior print performance Superior Imaging & Performance Assurance offers excellent image density & long Shelf Life Manufactured for use on FOR OFFSET PRINTING equipment (not digital printers). Manufactured by ISO14001:2004 Certified Manufacturing Plant for Environmental Management System