FANDOM


  • #10 business
  • #6 ¾ personal
  • #9 reply
  • airmail
  • announcement
  • banker’s flap or wallet flap
  • baronial
  • booklet
  • business
  • catalog
  • chain
  • clasp
  • form
  • interoffice
  • Kraft
  • letter-sheet
  • manila
  • padded
  • paper
  • pay
  • plastic
  • recycled
  • registered
  • remittance
  • return
  • self-addressed stamped
  • stamped
  • string-and-button
  • tear-resistant
  • two-way
  • unbleached
  • window