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Popular Double Window Envelopes - self seal available too!

Many double window styles and sizes to choose from! Low cost...
Check Envelopes -
# 8-5/8 sizes (3-5/8 x 8-5/8)
# 9 sizes (3-7/8 x 8-7/8) # 10 sizes (4-1/8 x 9-1/2)
Additional Information
Double window envelopes are commonly used for mailing invoices, check payments, payroll, etc. Many double window envelopes shown have the inside security tint, but are available with or without the inside security tint. All sizes have regular gum or self-seal gum options.
Cost-efficient - double window envelopes are designed to work with popular accounting programs or your custom invoices.
If you don't see your exact size:

Fill out our Free custom double window envelope quote request form or request a double window template to view window positions.

We offer the best selection - click to shop ALL the sizes of double window envelopes available or view templates:

Note: For double window layout specs, view our product specific template pdfs. For additional product specifications view the Technical Specs tab on each product page for envelope measurements, window sizes and placement of windows.

Do you have questions?

Email us at sales@windowenvelopes.com