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> Quality park 67529-double window self-adhesive envelope
Quality park 67529-double window self-adhesive envelope
Reveal N Seal Double Window Invoice EnvelopeSelf-Adhesive, White, 500 / box Envelope Size: 3-5/8 x 8-5/8 (No 9) Safeguard confidential documents. Special flap displays the word "opened" in red if the envelope has been unsealed. Blue security tinting shields contents. Self-adhesive seal delivers peel-and-press convenience.