This fax paper is 50% recycled, 10% post-consumer content. Roll cores are made with 97% post-consumer recycled content, and individual rolls are packaged in recyclable low density polyethylene. Shipping cartons are made from recycled materials and are printed with water-based inks. Thermal coatings are water-based, eliminating harmful chemicals & solvents. Call/email if you are unsure as to which size fits your machine. Ultra-high sensitivity. Coated side out. ½ " core. 8 ½" x 98’. 6 rolls/carton.