#9 Double Window Security Envelopes, HERKKA No.9 Double Window Business Envelopes Designed for Invoices and Business Statements - Number 9 Size 3 7/8

#9 Double Window Security Envelopes, HERKKA No.9 Double Window Business Envelopes Designed for Invoices and Business Statements - Number 9 Size 3 7/8

500 PACK SELF SEAL ENVELOPES: HERKKA No9 Security envelopes are designed with Peel and Seal closure-no moisture needed and a premium security tint to protect sensitive information and a super strong SELF-SEAL strip. Suitable for home or office; securely send checks or other confidential documents. PREMIUM SECURITY CHECK TINT ENVELOPES: The interior of our No9 Security envelopes use a black, heavy coverage security tint to provide the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy. DOUBLE WINDOW DESIGN: Only sender and return address will show on your invoices and monthly bills through our unique 2 window . No show of memo, Payee line or amount in windows. Fits Invoices and business billing statements. QUICK-SEAL CLOSURE: Our No9 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 for any letter sized and larger documents without splitting. LONG LASTING SUPPLY: Large sized envelopes and 500 envelopes in every pack for a long lasting supply, suitable for everyday business correspondence and large mailing tasks. #9 Double Window Security Envelopes, HERKKA No.9 Double Window Business Envelopes Designed for Invoices and Business Statements - Number 9 Size 3 7/8 Inch X 8 7/8 Inch - 24 LB - 500 Pack