calendar 2012,2012 new design calendar,2012 spiral calendar Material: 157g art paper, cover:1000g paperboard YO spiral binding 1.calendar 2012,2012 new design calendar,2012 spiral calendar2. material choice: art paper, paper board, corrugated paper, white card, kraft paper , triplex paper, duplex paper, woodfree paper, fancy paper and ect3. finish: glossy/matt lamination, glossy/matt varnish, UV, ...