... in two sides fastening, Carton and wrap outside by PP strip 2.PVC Sheet for StationeryWidely used for notebook cover, business card ... ,Grey,Red,etc.6)Packing:By Carton or Pallet 6.PP Sheetcolor PP sheet;innocuity,flavorlessness,moisture proof,corrosion resistant,anti-agi-ng ... appearance.It has the features;1 )material:plastic hollow plate(PP plastic sheet) which is a kind of new green packing material ...