... ring binder with leather Material:PP.PVC.PU Size:A4/CF,customed Ring shape:O/D-shaped OEM/ODM:Accepted a5 ring binder with ... Silkscreen Printing & Hot StampingThe specification of ring binder SizeA4 /FC or customers' requirementsMaterialEco-friendly PP, PVC, leather ... /logo SelectionCustomedRing shapeO-shaped, D-shapedPrintingCustomer's design or logoUsagePromotion gift, store pens , pencils , rulers, ...