QUALITY PARK PRODUCTS 24524 Double Window Security Tinted Invoice & Check Envelope, #9, White, 500/Box by QUALITY PARK PRODUCTS

Double window design eliminates the need to print on envelope. Wove finish adds a professional touch. Blue security tinting ensures greater privacy. Envelope Size: 4 1/8 x 9 1/2; Envelope/Mailer Type: Business/Trade; Closure: Gummed Flap; Trade Size: #9. White Sold per Box.