6 1/2 x 6 1/2 Square Contour Flap Envelopes - Natural - 100% Recycled (50 Qty) | Perfect for Invitations, Announcements, Greeting Cards, Photos | 1855-NPC-50 Size: 6 1/2 x 6 1/2 Square Contour Flap Envelopes / 6 1/2 in x 6 1/2 in / 6.5" x 6.5" / 165mm x 165mm Quantity: Pack of 50 Color: Natural - 100% Recycled 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.