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)