3D book cover,PVC book cover,PP book cover,file holder,PVC file folder,L shape folder PVC book cover,PP book cover,PP file folder,file holder,PVC file folder,PP folder,L shape folder 1.Product name:3D lenticular 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