Notebooks:1.Binding:sew and glue binding 2.different designs,sizes,thickness all can be customized hardcover spiral notebook 1)Cover:1.5mm thick cardboard with 128gsm art paper,4C printing2) Inner:80sheets,80gsm woodfree paper3)Size:11*15cm we are professional manufacturer in making paper bag&box,notebook,styicknote pads.we can supply all kinds of products as per customers requirements