HP Papers is sourced from renewable forest resources and has achieved production with 0% deforestation in North America. Each ream is wrapped in a polyurethane coated paper wrapper to protect the cut sheets from moisture damage | Sheet size – 8.5 x 11; Thickness – 20 pounds; Brightness – 92 bright white | HP Copy&Print20 20 pounds printer paper is Forest Stewardship Council (FSC) certified and contributes toward satisfying credit MR1 under LEED (Leadership in Energy and Environmental Design) | All HP Papers provide premium performance on HP equipment, as well as on all other printer and copier equipment; 100% satisfaction guaranteed; ColorLok technology provides more vivid colors, bolder blacks and faster drying | Superior quality, reliability, and dependability for high-volume printing at home, at school and in the office; HP Copy&Print20 print and copy paper prevents yellowing over time to ensure a long-lasting appearance for added archival quality