Staples - Self Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", 500/Box - White

Give outgoing mail a professional look with these Staples Reveal-n-Seal double-window self-sealing envelopes. Each envelope has a double window, letting you display both the destination address and the return address at the same time, while the self-sealing flap makes it easy to close and secure each envelope. These Staples double-window self-sealing envelopes have a security-tint design that helps keep confidential information private.