A6 Invitation Envelopes (4 3/4 x 6 1/2) - 70lb. Bright White (50 Qty.) Size: A6 Invitation Envelopes 4 3/4 in x 6 1/2 in / 4.75 x 6.5 / 121mm x 165mm 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 Quantity: Pack of 50 Color: 70lb. Bright White Printable on off-set and digital printing presses and some home printers.