... A4,A5, B5 size 2.Material:PP/PVC 0.2mm 3.for promotion&AD,school use 4.OEM ... Design, Test BY SGS PP book cover,PVC book cover, book cover, notebook cover,plastic ... book cover Size A4,A5,B5,A3 MaterialPVC, PP,PET eco-friendly,thickness ... polybag, then into a export carton Useage Idea for book,Magazines,Doucuments,Pictures and so on. ...