Made in USA: HP Papers is sourced from renewable forest resources and has achieved production with 0% deforestation in North America. Optimized for HP technology: All HP Papers provide premium performance on HP equipment, as well as on all other printer and copier equipment. 100% satisfaction guaranteed. Perfect everyday office paper: Superior quality, reliability, and dependability for high-volume printing at home, at school and in the office. Perfect for everyday black and white printing. Certified sustainable: HP Office20 20lb printer paper is Forest Stewardship Council (FSC) certified and contributes toward satisfying credit MR1 under LEED (Leadership in Energy and Environmental Design). ColorLok technology printing paper: ColorLok technology provides more vivid colors, bolder blacks and faster drying. Acid free paper: HP Office 20 lb print and copy paper prevents yellowing over time to ensure a long-lasting appearance for added archival quality.