#10 Single Left Window Security Tinted Self‐Seal Envelopes - 4‐1/8 x 9‐1/2 - 500 Count (35210)Category: Security Lined Envelope#10 SINGLE WINDOW SECURITY ENVELOPES: EXTRA LARGE WINDOW FOR PREMIUM MAILING! Are you tired of constantly hand writing addresses onto envelopes that can be easily ruined in the rain?Rather than cheap gummed envelopes, would you like an ultra secure, quick seal envelope?If so, our #10 Single Window Security Envelopes are the perfect envelopes for you! Designed with anultra secure security pattern, our envelopes are perfect for mailing invoices, statements and other standard business and legal documents,creating a premium, secure pattern that easily obscures sensitive data and details! Ideal for bulk mailing, each envelope is designed with an extra large, easy read 4-1/2 X 1-1/8 poly window, positioned 7/8" from the leftand 1/2 from the bottom of the envelope, perfect for displaying mailing addresses and eliminating constant hand addressing and printing for cheaper, quicker bulk mailing!Designed for secure mailing and everyday business and legal documents, our #10 Secure Envelopes are designed with premium, ultra strong quick seal adhesives across theenvelope tab, creating a secure seal that won’t tear, perfect for securely mailing larger, thicker documents! Our #10 Security Envelopes are a premium choice with a number of key benefits: - Extra large, high visibility, easily read front window, perfect for addresses. - Security tint pattern protects personal details and data. - Super strong quick seal adhesive strip creates a tough seal. - Perfect for thicker business and legal mailings. - 500 envelope supply with each measuring 4-1/8 x 9-1/2 inches. If you’re looking for the perfect ultra secure security envelope with extra large, easy read address window,super strong quick adhesive seals for thicker documents and premium security tint for data and information protection, our #10 Security Envelopes are perfect! Click “Add to Cart” now!