#10 Self-Seal Security Single Window Envelopes, Box of 500

Designed for efficiency and security, these #10 self-seal single window envelopes are perfect for everyday business or personal use. Measuring 4 1/8" x 9 1/2", they easily accommodate standard documents such as invoices, letters, checks, and gift cards. Each envelope features a large, easy-to-read poly window that clearly displays recipient addresses—eliminating the need for manual labeling. Crafted from durable 24lb white paper with a security tint lining, they protect sensitive information from view during transit. The self-sealing closure provides a hassle-free experience—just peel and seal for a strong, reliable hold without the mess of glue or moisture.

• Multi-Purpose Use: Ideal for invoices, statements, checks, letters, gift cards, and more.
• Secure Self-Seal Closure: No licking or tape needed—just peel and press for a strong, lasting seal.
• Convenient Window Design: Clearly displays pre-printed addresses, saving time and reducing errors.
• Privacy Protection: Interior security tint keeps confidential contents hidden from view.
• Durable Quality: Made with 24lb white paper for dependable everyday use.