Double window envelopes display sender and receiver addresses for invoices and billing statements.
Protect sensitive client information with a reflex blue pattern that obscures the details of the contents, even when envelopes are held up to light.
Just add moisture to the adhesive strip along the envelope flap and seal closed; no peel off strip to dispose of.
Quality Park® Double Window Envelopes display both sender and receiver addresses for mailing statements and invoices. These security envelopes have a reflex blue pattern that 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.