Document file 1)paper material ,2,3,4ring binder, 2)custom design is welcome 3)Best price and professional work folder,file folder,binders ... ,lever arch file,paper file holder,stationery 1) Size: according to clients' specific ... /C,30*24.5*4.5cm for A4 file 2 paper material is 157g art paper and 1200g duplex grey cardboard and 157g ...