A4 Invitation Envelopes w/Peel & Press (4 1/4 x 6 1/4) - Natural - 100% Recycled (50 Qty) | Perfect for Invitations, Announcements, Sending Cards, 4x6 Photos | 4872-NPC-50 Size: A4 Invitation Envelopes 4 1/4 in x 6 1/4 in / 4.25 x 6.25 / 121mm x 165mm Quantity: Pack of 50 Color: Natural - 100% Recycled USES: Invitations, Announcements, Holiday Cards, Greeting Cards, 4 x 6 Cards, 4 x 6 Photos, Letters, Personal Mail, Direct Mail. EVENTS: Weddings, Parties, Holiday, Corporate, Banquets, Showers, Birthday Printable on off-set and digital printing presses and some home printers.