Universal Open-Side Business Envelope, 1 Window, #10, Square Flap, Gummed Closure, 4.13 x 9.5, White, 500/Box (UNV36321)

Business-weight, 24 lb stock gives this envelope a professional feel. Wove finish provides a crisp appearance. Fully gummed flap ensures a secure seal. Open-Side Horizontal OrientationFeatures an address window. Seam Type: Side; Flap Type: Square; Trade Size: #10; Security Tinted: No.