Envelopes


 * #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