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. These 24 lb white wove envelopes have side seams for a clean, professional look.

• Double window envelopes display sender and receiver addresses for invoices and billing statements.
• The uniquely designed Redi-Seal self sealing closure requires no moisture; envelopes have double flaps that press together for an instant seal.
• Protect sensitive client information with a reflex blue pattern that obscures the details of the contents, even when envelopes are held up to light.