Quality Park Postage Saving Envelope, #6 5/8, Commercial Flap, Gummed Closure, 6 X 9.5, White, 500/pack

Quality Park® 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. Single window envelopes display the recipient's address for simple bu

• These security envelopes have the capacity of flat mailers without the postage cost.
• Protect sensitive client information with a reflex blue pattern that obscures the details of the contents, even when envelopes are held up to ligh