---
product_id: 37574929
title: "500 Check Envelopes, Double Window Security Tinted by 321 Paper Designed for Business Checks, Computer Checks, Laser Checks -- MADE IN USA -- Size 3 11/16 x 8 11/16"
brand: "321 paper"
price: "R1195"
currency: ZAR
in_stock: true
category: "Office Product"
url: https://www.desertcart.co.za/products/37574929-500-check-envelopes-double-window-security-tinted-by-321-paper
store_origin: ZA
region: South Africa
---

# 500 Check Envelopes, Double Window Security Tinted by 321 Paper Designed for Business Checks, Computer Checks, Laser Checks -- MADE IN USA -- Size 3 11/16 x 8 11/16

**Brand:** 321 paper
**Price:** R1195
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 500 Check Envelopes, Double Window Security Tinted by 321 Paper Designed for Business Checks, Computer Checks, Laser Checks -- MADE IN USA -- Size 3 11/16 x 8 11/16 by 321 paper
- **How much does it cost?** R1195 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/37574929-500-check-envelopes-double-window-security-tinted-by-321-paper)

## Best For

- 321 paper enthusiasts

## Why This Product

- Trusted 321 paper brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

321 Paper Envelopes are made from 100% USA sourced materials; designed 100% in USA; and, 100% manufactured in the USA – no foreign anything here! 321 Paper Envelopes are designed to fit  printed using Quickbooks software, computer checks, laser or inkjet checks with no movement and perfect fit. Each envelope measures 8-11/16" X 3-5/8. 321 Paper Envelopes are made from premium 24 pound paper for ultimate integrity and durability. If you are tired of being disappointed by other envelopes, then try 321 Paper Envelopes. We back our envelopes with a 100% satisfaction guarantee – no risk to you! Actual packaging may vary from pictures displayed.

## Features

- ✔ PERFECT DOUBLE WINDOW LAYOUT - Our double window envelopes line up with the FROM &amp; TO fields on checks printed using Quickbooks software.
- ✔ SECURITY TINT GUARANTEES PRIVACY - 321 Envelopes feature an exclusive tint and security design on the inside for ultimate protection.
- ✔ MOISTURE ACTIVATED GUMMED SEAL - 321 Envelopes are gummed and moisture sealed using only the highest quality adhesive available.
- ✔ 100% MADE IN THE USA - 321 Envelopes are 100% designed and made in the USA with no imported materials, made with 24-pound white smooth/wove finish for durability for mailing.
- ✔ Not designed for invoices without folding

## Images

![500 Check Envelopes, Double Window Security Tinted by 321 Paper Designed for Business Checks, Computer Checks, Laser Checks -- MADE IN USA -- Size 3 11/16 x 8 11/16 - Image 1](https://images-na.ssl-images-amazon.com/images/I/51TmQm4bL7L.jpg)
![500 Check Envelopes, Double Window Security Tinted by 321 Paper Designed for Business Checks, Computer Checks, Laser Checks -- MADE IN USA -- Size 3 11/16 x 8 11/16 - Image 2](https://images-na.ssl-images-amazon.com/images/I/41oa4-CkAYL.jpg)
![500 Check Envelopes, Double Window Security Tinted by 321 Paper Designed for Business Checks, Computer Checks, Laser Checks -- MADE IN USA -- Size 3 11/16 x 8 11/16 - Image 3](https://images-na.ssl-images-amazon.com/images/I/41BTh-ZOeFL.jpg)
![500 Check Envelopes, Double Window Security Tinted by 321 Paper Designed for Business Checks, Computer Checks, Laser Checks -- MADE IN USA -- Size 3 11/16 x 8 11/16 - Image 4](https://images-na.ssl-images-amazon.com/images/I/51icn2mnlEL.jpg)
![500 Check Envelopes, Double Window Security Tinted by 321 Paper Designed for Business Checks, Computer Checks, Laser Checks -- MADE IN USA -- Size 3 11/16 x 8 11/16 - Image 5](https://images-na.ssl-images-amazon.com/images/I/51wWJbGqTML.jpg)

---

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**Shop now:** [https://www.desertcart.co.za/products/37574929-500-check-envelopes-double-window-security-tinted-by-321-paper](https://www.desertcart.co.za/products/37574929-500-check-envelopes-double-window-security-tinted-by-321-paper)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-01*