4 1/8 X 9 Double Window Confidential Self Seal Envelope
40% off All Envelopes including 4 1/8 X 9 Double Window Confidential Self Seal Envelope – – Make doing business more efficient with Double Window Confidential Self Seal Envelopes. Our industry-best confidential envelopes protect privacy & eliminate addressing! Just fold, insert materials & mail. Double window design clearly shows return and destination addresses. Self-seal saves time and makes mailing easier. Mailed with peace of mind: Tinted inside pattern keeps confidential information from showing through..