... 4C printing machine 3.Welcome OEM/OD Hi Spiral binding notebook with hardcover ItemSpiral binding notebook with hardcoverSizeDifferent size can be customizedAvailable Inner MaterialsArt ... ~450gsm,or Leather,PU,Plastic,etc.BindingGlue binding,wire-O binding,section sewn binding,casebound,saddle stitched binding,perfect binding,etc...Surface disposalGlossy/Matt lamination,silver ...