![Open-Side Business Envelope, #9, Square Flap, Gummed Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV35209]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/600x600/products/19507/19508/274899__64896.1691779951.JPG?c=1 "Open-Side Business Envelope, #9, Square Flap, Gummed Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV35209]")
![Open-Side Business Envelope, #9, Square Flap, Gummed Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV35209]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/1280x1280/products/19507/19508/274899__64896.1691779951.JPG?c=1 "Open-Side Business Envelope, #9, Square Flap, Gummed Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV35209]")
Product Overview
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 Orientation. Seam Type: Side; Flap Type: Square; Trade Size: #9; Security Tinted: No. [QTY/UOM: 500 / 1BX]
![Open-Side Business Envelope, 1 Window, #9, Square Flap, Gummed Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV35219]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/19512/19513/276504__93938.1691779952.JPG?c=1 "Open-Side Business Envelope, 1 Window, #9, Square Flap, Gummed Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV35219]")
![Double Window Business Envelope, #9, Square Flap, Self-Adhesive Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV35217]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/22617/22528/733098__36561.1691781028.JPG?c=1 "Double Window Business Envelope, #9, Square Flap, Self-Adhesive Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV35217]")
![Security Tint Window Envelope, #9, Commercial Flap, Gummed Closure, 3.88 x 8.88, White, 500/Box [SKU: QUA21212]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/71906/70258/668090__84406.1692630300.JPG?c=1 "Security Tint Window Envelope, #9, Commercial Flap, Gummed Closure, 3.88 x 8.88, White, 500/Box [SKU: QUA21212]")
![Peel Seal Strip Business Envelope, #9, Square Flap, Self-Adhesive Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV36001]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/64916/63379/797319__47274.1692628224.JPG?c=1 "Peel Seal Strip Business Envelope, #9, Square Flap, Self-Adhesive Closure, 3.88 x 8.88, White, 500/Box [SKU: UNV36001]")
![Business Envelope, #9, Commercial Flap, Diagonal Seam, Gummed Closure, 24 lb Bond Weight Paper, 3.88 x 8.88, White, 500/Box [SKU: QUA90090]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/71869/70221/692069__46238.1692630292.JPG?c=1 "Business Envelope, #9, Commercial Flap, Diagonal Seam, Gummed Closure, 24 lb Bond Weight Paper, 3.88 x 8.88, White, 500/Box [SKU: QUA90090]")