---
product_id: 282893243
title: "Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16"
brand: "blue summit supplies"
price: "R1618"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/282893243-blue-summit-supplies-500-gummed-double-window-security-check-envelopes
store_origin: ZA
region: South Africa
---

# 3.5" x 8.7" size Security tint design 500 envelopes per pack Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16

**Brand:** blue summit supplies
**Price:** R1618
**Availability:** ✅ In Stock

## Summary

> 📈 Elevate Your Check Game with Style!

## Quick Answers

- **What is this?** Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 by blue summit supplies
- **How much does it cost?** R1618 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/282893243-blue-summit-supplies-500-gummed-double-window-security-check-envelopes)

## Best For

- blue summit supplies enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Value Pack:** 500 envelopes mean you’re stocked up and ready for business, saving you time and money.
- • **Strong Gummed Seal:** Moisten to seal securely; no self-seal worries, just reliable protection.
- • **Double Window Design:** Unique double window feature keeps amounts and memos hidden, maintaining confidentiality.
- • **Durable Construction:** Crafted from 24 LB white wove paper for a professional look that withstands transit.
- • **Perfect Fit for QuickBooks:** Designed to seamlessly accommodate QuickBooks checks, ensuring a hassle-free experience.

## Overview

These 500 Gummed Double Window Security Check Envelopes are expertly designed for QuickBooks checks, featuring a unique double window that conceals sensitive information while providing a professional appearance. Made from durable 24 LB paper, they ensure your checks remain secure during transit, and the strong gummed seal guarantees a lasting closure. Perfect for businesses looking to maintain confidentiality and professionalism.

## Description

Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16

## Features

- Perfectly fits QuickBooks Checks, or other computer printed checks: checks will slide in easier with a slightly wider design than the standard 2 window 8 5/8 envelope
- Checks amounts and memos will not be visible: Only addresses will show through our unique double window design with no need to change QuickBooks, QB Online, or Quicken settings (WILL NOT FIT STATEMENTS)
- Provides complete check security: your laser checks will be hidden with our security tint design
- Just moisten or lick the flap and fold it over to create a strong lasting seal: Save money with our strong gummed seal design is quick and easy and is guaranteed to stay sealed (NOT SELF SEAL)
- Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Blue Summit Supplies |
| Brand | Blue Summit Supplies |
| Product Dimensions | 21.59 x 30.48 x 11.43 cm; 2.3 kg |
| Color | white |
| Closure | Gummed, Self-Seal |
| Shape | Rectangular |
| Material Type | Paper |
| Number of Items | 500 |
| Manufacturer Part Number | BSS-92588-005 |
| Item Weight | 2.3 Kilograms |

## Product Details

- **Brand:** Blue Summit Supplies
- **Colour:** white
- **Closure type:** Gummed, Self-Seal
- **Material:** Paper
- **Number of Items:** 500

## Images

![Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 - Image 1](https://m.media-amazon.com/images/I/71UimhX0xoL.jpg)
![Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 - Image 2](https://m.media-amazon.com/images/I/91EhoiybkPL.jpg)
![Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 - Image 3](https://m.media-amazon.com/images/I/81+WeTQr8pL.jpg)
![Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 - Image 4](https://m.media-amazon.com/images/I/61th5cmB3oL.jpg)
![Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 - Image 5](https://m.media-amazon.com/images/I/41YFxJ2P7XL.jpg)

## Frequently Bought Together

- 500#8 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks, Business Mailing, and Security - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16
- Amazon Basics Multipurpose Copy Printer Paper, 8.5 x 11 in, 20 lb, 10 Reams, 5000 Sheets, 92 Bright, White
- Amazon Basics 1/3-Cut Tab, Assorted Positions File Folders, Letter Size, Manila - Pack of 100

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**Shop now:** [https://www.desertcart.co.za/products/282893243-blue-summit-supplies-500-gummed-double-window-security-check-envelopes](https://www.desertcart.co.za/products/282893243-blue-summit-supplies-500-gummed-double-window-security-check-envelopes)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-08*