This is an original OEM Southworth Diamond White Business Paper, packaged with 500 sheets per box. The bright white paper contains 25 percent cotton fiber, providing texture and crispness, making it ideal for important legal, business, and other documents that require durability and permanence. It is acid-free, watermarked, and date-coded for authentication, ensuring quality and reliability. This paper is compatible with copiers, laser printers, and inkjet printers.