workbook paper measurements in the U.S
1. could you please tell me what is 120 gram paper means in the U.S.? If it is a tree free paper?
2. The workbook cover is 250 grams two sides chrome matte laminated, what does it mean in U.S. standards.
3. The width is 210 mm and height 279.4 mm, what are U.S. the measurements?
Thank you very much for your help!