HP White All-In-One Printing Paper 8-1/2" x 11" 500-Ream, is engineered for versatility, offering quality, variety and versatility to support a wide range of everyday color printing needs. Heavier and thicker, you can print on both sides with minimal show-through. Ideal for reports, correspondence and everyday color documents. Optimized for use in all inkjet and laser printers and copiers. This printer paper is acid-free for added archival quality. This product was made from wood sourced from a certified managed forest.