Our petal envelopes make great wedding invitations, birth announcements and charming party or shower invitations. Add a petal enclosure flat card as your invitation, then seal with a sticker and mail or tuck into a 5 3/4" square envelope. In our koolest blue, an aqua with class. Click "alternative view" to see how this enclosure can be used and embellished.Folded size- 5 1/4" squareSold in packs of 10