Compact plastic card holders are made from PVC material in a portrait shape and are designed to be held by a lanyard with either simple j hook or alligator clip. These plastic card holders feature a centre hole for an alligator clip or two round punch holdes that will fit most lanyard attachments. Size displayed is the insert size. The card inserts can be purchased from any leading office supply store. We also stock in house a 85mm x 105 card holder and a 95mm x 180mm plastic card holder.