Efficiently streamline your invoicing process with these Business Source® Double Window Invoice Envelopes. Designed specifically for standard 8-1/2" x 11" computer-generated invoices and statements, these envelopes feature double windows that prominently display both the return and mailing addresses, ensuring your communications look professional. The poly windows, coupled with an inside tint, provide added privacy for the contents, while the innovative self-sealing design allows for swift and secure closure without the need for moisture. The unique double flap design prevents premature sticking, making them convenient to use—simply lift the lower flap and press to seal.

Key Features:
• Double windows for clear visibility of addresses
• Compatible with standard 8-1/2" x 11" invoices and statements
• Poly windows with inside tint for enhanced privacy
• Self-sealing design for quick and hassle-free closure
• Unique double flap prevents premature sticking
• Dimensions: #9 (3-7/8" x 8-7/8")
• Top window size: 1-3/16" x 3-1/2"
• Bottom window size: 1" x 4"
• Packaged in a convenient box of 500
• Made from durable 24 lb white paper