LUX Moistenable Glue Security Tinted #9 Window Envelope, 3 7/8" x 8 7/8", White, 250/Box (61549-250)

#9 Window Envelope s(3-7/8" x 8-7/8") with Security Tint are one of the most popular commercial-sized window envelopes available, commonly used as a reply envelope for invoice and business mailings, sent to recipients inside #10 Envelopes in order to mail something back to the sender. The security tint protects your privacy when sending checks, forms or other sensitive information. The tinted pattern inside discourages reading sensitive information through the envelope. The addressing window makes envelope addressing easy. No licking necessary. This 24lb. Bright White is a quality and economical choice. It's available both plain or custom printed for branding, address printing services are also available. These #9 size envelopes are also machine-insertable for higher-volume direct mail.