---
type: faq
title: "What is the size of the flap on a #9 Remittance Envelope?"
description: "The flap on a #9 remittance envelope measures 3 5/8 x 8 7/8 inches (3.625 x 8.875). The back flap is 1/4 inch shorter than the front of the envelope and is"
resource: https://www.4over4.com/faqs/business-stationery/what-is-the-size-of-the-flap-on-a-9-remittance-envelope
tags: ["Business Stationery", "faq"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What is the size of the flap on a #9 Remittance Envelope?

The flap on a #9 remittance envelope measures 3 5/8 x 8 7/8 inches (3.625 x 8.875). The back flap is 1/4 inch shorter than the front of the envelope and is

Part of the **Business Stationery** hub. See [all faq concepts](index.md).

- Page type: faq
- Hub: Business Stationery
- URL: https://www.4over4.com/faqs/business-stationery/what-is-the-size-of-the-flap-on-a-9-remittance-envelope