A7 Foil Lined Invitation Lined Envelopes w/Peel & Press (5 1/4 x 7 1/4) - Silver w/Black LUX Lining (50 Qty.) | Perfect for Invitations, Announcements, Sending Cards, 5x7 Photos | 60lb. Paper Size: A7 Foil Lined Invitation Envelopes 5 1/4 x 7 1/4 in / 5.25 x 7.25 / 134mm x 185mm Quantity: Pack of 50 USES: Perfect for Invitations, Announcements, Sending Cards and more! Printable on off-set printing presses and some home printers. Made from high-quality, durable 60lb., quality paper (Refer to our Paper Weight Guide for clarification)