clear hard PVC card holder 1.Meterial: PVC 2.Colour: transparent 3.Size:A3,A4,A5,A6,A7,etc,can be customized various size plastic clear hard PVC card holder Application: for display,presenting or protecting precious documents and artwork. It can use for display important notices,digital prints and posters,menu,produce flow instruction, exhibiting, general signal, presentations, also can preserve ...