1.exercise book,stitching exercise books,spiral note book 2.PVC , soft cover 3.all of kinds paper, art paper, wood free pape Exercise book,40sheets,180mmx240mm, with lines 25,144pcs/box Exercise book,40sheets,180mmx240mm,with lines 25,144pcs/boxnotebook 1.mateiral:157g art paper+800g chipboard+100g woodfree paper 2.pirnt:4c+1c 3.surface:matte laminatednotebook1.mateiral:157g art paper+800g ...