Quality Park No. 10 Double Window Security Tint Envelopes

Security - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - 500 / Box. Protects sensitive client information with reflex blue pattern that obscures details of the contents even when held up to light. Made from 24 lb. white wove stock with side seams to add a professional touch to your personal and business mailing.