This is OEM Southworth Red Ruled Business Paper, featuring a wove finish with 25 percent cotton content for added texture and crispness. The paper is printed with a single red vertical ruling 3/8" from the right edge and a red double rule 1-5/16" from the left edge. Each sheet is watermarked and date-coded for authentication, ensuring quality and reliability. This acid-free, lignin-free paper is compatible with laser printers, inkjet printers, and copiers.