#9 Double Window Security Envelopes - Self-Seal

#9 double window self-seal security envelopes are custom designed to provide a snug fit for your checks and forms. These aren't the generic loose-fitting envelopes found at office retailers. Our envelopes are made from 28 lb. paper stock, feature a security tint and more space between windows keeping check amounts private. If ordering envelopes for the first time, please call our customer care representatives to help guarantee the right fit.

We offer two #9 double window envelope options. View comparison here.