A10 Invitation Envelopes (6 x 9 1/2) - 24lb. Bright White (50 Qty) | Perfect for Invitations, Greeting Cards, Thank You Cards, Announcements and so much more! | 72965-50 Size: A10 Invitation Envelopes 6 in x 9 1/2 in / 6 x 9.5 / 152mm x 241mm Quantity: Pack of 50 Color: 24lb. Bright White USES: Invitations, Announcements, Holiday Cards, Greeting Cards, Oversized Postcards, Letters, Personal Mail, Direct Mail, Business Folded Documents. EVENTS: Weddings, Parties, Holiday, Corporate, Banquets, Showers, Birthday Printable on off-set and digital printing presses and some home printers.