#10 Security SELF-SEAL Envelopes, Windowless Design, Premium Security Tint Pattern for Secure Mailing, Ultra Strong QUICK-SEAL Closure - Size 4-1/8 x 9-1/2 Inches - White - 24 LB - 500 Count (34010) #10 SECURITY TINTED SELF SEAL ENVELOPES; forget cheap envelopes that easily split and aren't suitable for secure mailing, our #10 envelopes are designed with a premium security tint to protect sensitive information and a super strong SELF-SEAL strip, perfect for larger documents 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 QUICK-SEAL CLOSURE; our #10 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing larger documents without splitting LONG LASTING SUPPLY; large sized envelopes and 500 envelopes in every pack for a long lasting supply, perfect for everyday business correspondence and large mailing tasks! Click the Orange Button to order now QUICK-SEAL CLOSURE; our #10 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope&#039;s width that won&#039;t easily open or tear, ideal for mailing larger documents without splitting WINDOWLESS DESIGN; envelopes ideal for standard business &amp; legal documents and sensitive correspondence, manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, mass business mailings