Order Business Window Envelopes and get FREE shipping! Ideal for mailing checks, invoices, order forms or any 8 1/2 x 11 documents folded into thirds. Available in a variety of colors and styles. Find the perfect sized envelope to fit your mailing needs. Sizes including #9, #11, #12 envelopes and more.
Transparent Poly-film window is perfect for displaying a pre-printed mailing address. The window is built-in to the bottom left-hand corner of the envelope. Insert envelope contents through standard diagonal flap and seal with standard gum seal. Or, if you need a quick and easy way to seal your envelopes, choose the self seal option. Simply remove the strip and close the envelope to seal. Business window envelopes ensure mailing needs are fulfilled.