Find a Couple's Registry & Wedding Website
Attire and Accessories
Invites and Paper
Not Engaged Yet
Engaged & Proposals
Any item smaller than the minimum dimensions is not mailable. For larger items, see large envelopes or packages. For envelopes, length is the dimension parallel to the address.
Letters that meet one or more of the nonmachinable characteristics below are subject to the nonmachinable surcharge. For items over 3.5 ounces, see large envelope or package prices.
Square Envelope The minimum size for a square envelope is 5 x 5 inches. Square letters are subject to the nonmachinable surcharge.