---
product_id: 19178338
title: "Hcfa Envelopes, Window Style, Size: 10-1/2 (4-1/2 X 9-1/2\"), Gummed Flaps (Moistening Required), Box of 100"
brand: "hcfa envelopes"
price: "£25.04"
currency: GBP
in_stock: true
category: "Office Product"
url: https://www.desertcart.co.uk/products/19178338-hcfa-envelopes-window-style-size-10-1-2-4-1
store_origin: GB
region: Great Britain
---

# Hcfa Envelopes, Window Style, Size: 10-1/2 (4-1/2 X 9-1/2"), Gummed Flaps (Moistening Required), Box of 100

**Brand:** hcfa envelopes
**Price:** £25.04
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Hcfa Envelopes, Window Style, Size: 10-1/2 (4-1/2 X 9-1/2"), Gummed Flaps (Moistening Required), Box of 100 by hcfa envelopes
- **How much does it cost?** £25.04 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/19178338-hcfa-envelopes-window-style-size-10-1-2-4-1)

## Best For

- hcfa envelopes enthusiasts

## Why This Product

- Trusted hcfa envelopes brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

HCFA Envelopes W2A38821C, Window Style, 4-1/2 x 9-1/2", Gummed Flaps ( Moistening Required), Box of 100. No. 10 1/2 envelopes are designed for use with Insurance Form CMS-1500 and similar forms. The 1-1/8" x 4-3/4" window positioned 3-7/8" from the left and 1-1/2" from the bottom of the envelope. Inside security tint offers more privacy. 24 lb

## Features

- HCFA, CMS-1500 Health Insurance Claim Form Window Envelopes.
- Size: 10-1/2 ( 4-1/2 x 9-1/2").
- The 1-1/8" x 4-3/4" window positioned 3-7/8" from the left and 1-1/2" from the bottom of the envelope.
- Inside security tint offers more privacy. 24 lb. 92 Brite.
- Regular gummed flaps - Moistening Required. Runs Well through postage meters.

## Images

![Hcfa Envelopes, Window Style, Size: 10-1/2 (4-1/2 X 9-1/2"), Gummed Flaps (Moistening Required), Box of 100 - Image 1](http://ecx.images-amazon.com/images/I/51MvjPRroGL.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/19178338-hcfa-envelopes-window-style-size-10-1-2-4-1](https://www.desertcart.co.uk/products/19178338-hcfa-envelopes-window-style-size-10-1-2-4-1)

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*Product available on Desertcart Great Britain*
*Store origin: GB*
*Last updated: 2026-04-23*