#9 Single Window Companion Envelopes Self-Seal

Our companion #9 self-seal single window 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 and feature a security tint. If ordering envelopes for the first time, please call our customer care representatives to help guarantee the right fit.