... a5 leather ring binder Material:PP.PVC.PU Size:A4/CF,customed Ring shape:O/D-shaped OEM/ODM:Accepted Useful a5 leather ring binder ... Offset Printing & Silkscreen Printing & Hot StampingThe specification of ring binder SizeA4 /FC or customers' requirementsMaterialEco-friendly PP, PVC, ... plastics. This product is tasteless, odourless, non-toxic loose .Resistance for heat, acid, alkali, salt, oxidant, ...