9 x 9 Square Invitation Envelopes w/Peel & Press - Natural (50 Qty.) Size: 9 x 9 Square Envelopes / 9 in x 9 in / 9" x 9" / 229mm x 229mm Quantity: Pack of 50 Color: Natural USES: Invitations, Announcements, Holiday Cards, Greeting Cards, Photos, CD/DVD, Save The Dates. EVENTS: Weddings, Parties, Holiday, Corporate, Banquets, Baby Shower, Birthday, Graduation. Printable on off-set printing presses and some home printers.