Photo Greeting Card Invitation Envelopes (4 3/8 x 8 1/4) - 70lb. Bright White (50 Qty.) Size: Photo Greeting Invitation Envelopes / 4 3/8 in x 8 1/4 in / 4.375" x 8.25" / 112mm x 210mm Quantity: Pack of 50 Color: 70lb. Bright White 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 printing presses and some home printers.