Exercise book,48sheets,167mmx219mm, used for writing letters,144pcs/box1 ... ,PVC,leather,paper material for cover 3,50,70,80,100gsm woodfree paperexercise book / Note bookhard cover notebook, spiral notebook, exercise ... demand is ok2) inner page: woodfree paper for inner pages(60gsm,80gsm,90gsm,100gsm)3) other details: 20 sheets, ... lamination,UV,stamping and others as your want note book exercise book