With these luminescent, shimmery, metallic ivory envelopes, your DIY invitations and cards will definitely grab the attention of your guests and customers.  These 6 inch square envelopes are just the right size for your next square invitation or note card.   These 80 pound text weight envelopes are superior in quality and have a beautiful iridescent finish.  Curiously unique!

Please check the USPSweb site for mailing regulations on square envelopes