Standard #10 envelope size: 9 1/2" x 4 1/8"
• Security tint interior helps protect confidential information
• Single window design for invoices, statements, and business correspondence
• Secure gummed flap closure
• Window size: 4 1/2" x 1 1/8"
• Window placement: 7/8" from left, 2 1/2" from top
• Professional appearance for business mailings

Protect sensitive information while maintaining a professional presentation with this #10 Security Single Window Envelope. The security-tinted interior helps prevent confidential data from being visible through the envelope, making it ideal for invoices, statements, checks, and other business correspondence. A precisely positioned single address window eliminates the need for separate labels, helping streamline mailing operations and reduce processing time. The secure gummed flap provides a reliable seal for safe delivery, while the standard #10 size accommodates a wide range of business documents. With a 4 1/2" x 1 1/8" window positioned 7/8" from the left and 2 1/2" from the top, this envelope is designed for compatibility with many common mailing formats.