LUXPaper Double Window Invoice Envelopes w/Peel & Press, 4 1/8 x 9 1/8, 80lb. Midnight Black, 250 Pack, 80lb Paper

LUXPaper Double Window Envelopes Size: 4 1/8 x 9 1/8 inches Midnight Black Quantity: 250 Pack These envelopes are perfect for all your mailing needs, especially ones that require windows.