PVC book cover,PP book cover,file holder, Material:PVC0.2mm Size:A4,A5,B5 Printing:OEM logo have SGS test PVC book cover,PP book cover,PP file folder,file holder,PVC file folder,PP folder,L shape folder 1.Product name:PVC book cover2.Hot-sealed and waterproof.3.Customer's logo and design is welcome.4.Various colors and thickness is available.5.Offset printing or silk screen printing