1000#9 Custom Printed Self-Seal Security Envelopes - Personalized with Logo and/or Return Address - Self-Seal, 3-7/8 x 8-7/8 Inches, 1000 Count (7-30138-1000)

Say goodbye to inexpensive envelopes that are prone to splitting and are not ideal for secure mailing. These #9 envelopes feature a premium security tint to safeguard confidential details and a robust self-seal strip, excellent for documents and invoices. The premium security tinted pattern is printed to shield contents and sensitive data, making it perfect for secure business and legal correspondence. The windowless front panel design is great for standard business and legal documents and sensitive mail, allowing for easy printing, labeling, or hand-addressing, and is well-suited for quick, large-volume business mailings.

The quick-seal closure utilizes an ultra-strong self-seal adhesive strip to form a complete, highly secure seal across the envelope's width that resists opening or tearing, making it excellent for mailing larger documents without splitting. For everyday business use and professional mass mailings, each box offers a durable supply of 1000 envelopes