#10 Open End Envelopes w/Peel & Press (4 1/8 x 9 1/2) - Smoke Gray (50 Qty.) | Perfect for Small Business Use and Invitations #10 Open End Envelopes (4 1/8" x 9 1/2") Color: 80lb. Smoke Gray - Smoke is a deep gray envelope 50 envelopes per pack Featuring - Peel & Press Sealing Method and Laser compatible Perfect for sending important documents or flat items, as well as small items and parts.