#10 SECURITY ENVELOPES PEEL AND SEAL: SECURE SELF SEAL ENVELOPES FOR DURABLE MAILING! Are you handling a high volume of secure business mail and need premium envelopes that offer top-notch protection for your contents? Alliance's Security Tinted Self-Seal Envelopes with window are the ideal solution. These standard envelopes feature a sleek, window design and an ultra-secure security tint pattern, ensuring your sensitive information stays protected during transit. Unlike standard gummed envelopes, our #10 business mailing envelopes come with super-strong self-seal strips, allowing for quick and secure sealing without the need for moisture. This makes them perfect for larger and thicker documents. Our letter sized envelopes are great for most most general business documents. Add our envelopes to your mail supplies & shipping supplies to take advantage of the following key benefits. Key benefits include: -A large, windowless front ideal for hand or label addressing. -A security-tinted pattern for enhanced privacy. -Designed to accommodate thicker and larger documents. -An ultra-secure self-seal strip for a fast, reliable seal. -A generous supply of 500 envelopes per box, ideal for frequent use. If you're seeking durable, high-quality envelopes that outperform ordinary gummed versions, Alliance's #10 Security Tinted Window Privacy Envelopes Self Seal are your top choice for secure and efficient mailing.