Staples #8 Double Window Security Envelopes with Gummed Flaps - 3-5/8" x 8-5/8" - 500 Pack

Send important mail with confidence with Staples #8 Double Window Security Envelopes. Ideal for business correspondence, these white envelopes are a great choice for a variety of letters, statements and invoices. They feature a gummed flap that is moisture-activated for a secure seal. The envelopes are designed with a square flap and side seam that allows for easy insertion of forms. They are made of sturdy 24 lb stock and come with two left-sided windows that display the return and mailing addr