5 x 5 Square Invitation Envelopes w/Peel & Press - Navy Blue (50 Qty.) Size: 5 x 5 Square Envelopes / 5 in x 5 in / 5" x 5" / 127mm x 127mm Quantity: Pack of 50 Color: Navy 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.