Double Window Redi-seal Security-tinted Envelope, #10, Commercial Flap, Redi-seal Adhesive Closure, 4.13 X 9.5, White, 500-bx

Quality Park® Double Window Envelopes display both sender and receiver addresses for mailing statements and invoices. Features a special Redi-Seal® self sealing closure. Simply lift the bottom flap and press to the top flap for an instant, secure seal. A reflex blue pattern protects sensitive client information because it obscures the details of the contents, even when held up to light.