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.
Double Window Security-Tinted Check Envelope, #10, Commercial Flap, Gummed Closure, 4.13 x 9.5, White, 500/Box