#9 window envelopes are one of the most popular commercial sized envelopes and are commonly used as a reply envelope for invoice and business mailings. They are also machine-insertable for higher volume direct mail.
- Simple, online ordering with user-friendly design process.
- Online design studio allows you to upload your own artwork or use a design template.
- Moisture/gum-seal flaps open from the top for easy access.
- Printed on 24-lb white wove paper with a single poly window.
- When sending invoices or statements, save time and simply position the address to show through the window.
- Customize and highlight your brand with full-color flat printed envelopes.