File holder 1)paper material ,2,3,4ring binder, 2)custom design is welcome 3)best quality and professional work folder,file folder ... ,binders,lever arch file,paper file holder,stationery 1) Size: according to clients' specific ... as well as the common 4 color(CMYK)process. 3) Materials: 157g art paper, duplex board with black back, copper ...