Item:Smart ring rfid card 13.56mhz N tag/u7/u8/f08 nfc payment paper bracelet for event Packing:Inside diameter of paper core: 76.2mm(3inch); Each volume number :500~1000PCS(In accordance with the actual demand); The roll direction:The surface or printing facing out (on); Packing material:Antistatic pearl cotton+Bubble pad+Antistatic bag+Outside the carton