JAM PAPER A7 Foil Lined Invitation Envelopes - 5 1/4 x 7 1/4 - Black Linen with Silver Foil - 50/Pack Color: Black Linen with Silver Foil Lining Size: A7 (5.25 x 7.25 inches) Quantity: 50 /pack Features a smooth paper finish and shiny foil lining to add a pop of color to any mailing. Perfect for personal mail, business mailings, greeting cards, announcements, and so much more!