500 #8 FLIP & SEAL Double Window Security Business Envelopes - for Most Standard Checks, Self-Sealing Adhesive Seal, Security Tinted - Size 3-5/8 x 8-5/8 - White - 24 LB - 500 Count (30108) DOUBLE WINDOW SECURITY ENVELOPES; tired of cheap paper envelopes that can be easily seen through? Our Double Window Security Envelopes are ultra secure and perfect for mailing standard checks, with secure flip and seal adhesive and tinted security wave patterns TINTED SECURITY WAVE PATTERN; perfect for mailing checks and sensitive correspondence, our #8 Envelopes are printed with a secure tinted wave pattern, easily obscuring numbers and data for premium, added security compared to other cheap envelopes DUAL WINDOW DESIGN; easily read dual windows for everyday business mailings to easily display postal addresses. Each envelope contains two front windows, a 7/8" X 3-1/2" top window positioned 5/8" from the left and 2-1/4" from the bottom and the bottom 1 X 4" window is 5/8" from the left and 5/8" from the bottom FLIP AND SEAL; forget cheap, weak, gummed envelope seals that easily tear, our Double Window Security Envelopes are designed with quick, ultra secure flip and seal adhesives, creating a secure seal that wont accidentally open, perfect for time saving bulk mailings LONG LASTING SUPPLY; perfect for everyday business use, our envelopes are provided as an ultra long lasting, 500 envelope supply measuring 3-5/8 x 8-5/8, ideal for mass mailing and business checks! Click the Orange Button to order now