#10 SECURITY TINTED GUMMED ENVELOPES; the durable, woven paper extends the tampering resistance of this envelope, standing up to normal postal wear and tear without damage, perfect for larger documents and sensitive correspondence PREMIUM SECURITY TINTED PATTERN; our #10 envelopes are designed with a premium security printed design to protect contents and sensitive information, perfect for secure business and legal mailing while protecting sensitive information WINDOWLESS DESIGN; envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, mass business mailings