---
product_id: 44481705
title: "YuanKanJu 500#10 Self Seal Security Single Window Envelopes-Designed for Business Statements, Computer Printed Checks, QuickBooks Invoices - 4 1/8 X 9 1/2 - Made in The USA"
brand: "kiarmesh supplies"
price: "$202"
currency: NZD
in_stock: true
category: "Office Product"
url: https://www.desertcart.nz/products/44481705-yuankanju-500-10-self-seal-security-single-window-envelopes-designed
store_origin: NZ
region: New Zealand
---

# YuanKanJu 500#10 Self Seal Security Single Window Envelopes-Designed for Business Statements, Computer Printed Checks, QuickBooks Invoices - 4 1/8 X 9 1/2 - Made in The USA

**Brand:** kiarmesh supplies
**Price:** $202
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** YuanKanJu 500#10 Self Seal Security Single Window Envelopes-Designed for Business Statements, Computer Printed Checks, QuickBooks Invoices - 4 1/8 X 9 1/2 - Made in The USA by kiarmesh supplies
- **How much does it cost?** $202 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/44481705-yuankanju-500-10-self-seal-security-single-window-envelopes-designed)

## Best For

- kiarmesh supplies enthusiasts

## Why This Product

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

## Description

Perfectly Large Window: Ideal for Addresses and Bulk mailingIdeal for bulk mailing, each envelope is designed with an extra large, easy read 4-1/2 X 1-1/8 poly window, positioned 7/8" from the left and 1/2 from the bottom of the envelope, perfect for displaying mailing addresses and eliminating constant hand addressing and printing for cheaper, quicker bulk mailing!Security Tinted to Protect Sensitive details and dataDesigned with an ultra secure security pattern, our envelopes are perfect for mailing invoices, statements and other standard business and legal documents, creating a premium, secure pattern that easily obscures sensitive data and details!Strong Quick Seal AdhesiveAre you having bad taste in your mouth from cheap glue envelopes? Are you wasting time using glue sticks or tape to close the envelopes? If so, our peel and seal envelope will help you. They are designed with premium strong quick seal adhesives across the envelope tab, creating a secure seal that won't tear, perfect for securely mailing larger, thicker documents! You do not have to worry about your contents being exposed to others.Professional Look with QualityThick 24 LB white wove paper that our envelopes are made of, provides a professional look to your business.100% Money Back GuaranteeWe stand behind our products completely. We understand that sometimes buying physical products can be difficult if you cannot physically see what you are buying, however, if our product is not exactly what you are looking for, or does not meet your expectation then send them back anytime for a 100 % refund.

## Features

- PERFECT FOR Mailing Invoices, QuickBooks Invoices and checks, billing statements, checks, and other business mail
- SECURITY TINT PATTERN: Mailing secure documents? Our #10 Security Envelopes are designed with a security wave pattern on the inside to protect contents, data and numbers from being easily read, unlike other cheap envelopes
- PEEL &amp; SEAL FLAP for easy, quick, and strong seal: No water required, No bad tastes in your mouth. Peel strip and fold flap, then press for a quick, secure seal. Perfect for mailing larger, thicker documents
- SAVE TIME; No need to slowly print or hand write the address. The large, easy read, poly window is positioned perfectly for displaying addresses or business information
- PERFECT FOR BULK MAILING; Mail multiple pieces of business mail in our wide and large #10 Security Envelope Design. Stuff smaller #9 or #8 return envelopes to get your invoices paid quicker

## Images

![YuanKanJu 500#10 Self Seal Security Single Window Envelopes-Designed for Business Statements, Computer Printed Checks, QuickBooks Invoices - 4 1/8 X 9 1/2 - Made in The USA - Image 1](https://images-na.ssl-images-amazon.com/images/I/51RrLQs77LL.jpg)
![YuanKanJu 500#10 Self Seal Security Single Window Envelopes-Designed for Business Statements, Computer Printed Checks, QuickBooks Invoices - 4 1/8 X 9 1/2 - Made in The USA - Image 2](https://images-na.ssl-images-amazon.com/images/I/410pt-GewEL.jpg)
![YuanKanJu 500#10 Self Seal Security Single Window Envelopes-Designed for Business Statements, Computer Printed Checks, QuickBooks Invoices - 4 1/8 X 9 1/2 - Made in The USA - Image 3](https://images-na.ssl-images-amazon.com/images/I/31tqHVcP0%2BL.jpg)
![YuanKanJu 500#10 Self Seal Security Single Window Envelopes-Designed for Business Statements, Computer Printed Checks, QuickBooks Invoices - 4 1/8 X 9 1/2 - Made in The USA - Image 4](https://images-na.ssl-images-amazon.com/images/I/41gCCPwEUnL.jpg)
![YuanKanJu 500#10 Self Seal Security Single Window Envelopes-Designed for Business Statements, Computer Printed Checks, QuickBooks Invoices - 4 1/8 X 9 1/2 - Made in The USA - Image 5](https://images-na.ssl-images-amazon.com/images/I/31NKjTtIN2L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.nz/products/44481705-yuankanju-500-10-self-seal-security-single-window-envelopes-designed](https://www.desertcart.nz/products/44481705-yuankanju-500-10-self-seal-security-single-window-envelopes-designed)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-01*