---
product_id: 34590567
title: "500#8 Self Seal Double Window Security Envelopes Designed for QuickBooks Checks - Computer Printed Checks - 3 5/8 X 8 11/16 (Not for Invoices)"
brand: "blue summit supplies"
price: "R$578"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/34590567-500-8-self-seal-double-window-security-envelopes-designed-quickbooks
store_origin: BR
region: Brazil
---

# 3.62" width Security tint 500 count 500#8 Self Seal Double Window Security Envelopes Designed for QuickBooks Checks - Computer Printed Checks - 3 5/8 X 8 11/16 (Not for Invoices)

**Brand:** blue summit supplies
**Price:** R$578
**Availability:** ✅ In Stock

## Summary

> 📈 Elevate Your Check Security with Style!

## Quick Answers

- **What is this?** 500#8 Self Seal Double Window Security Envelopes Designed for QuickBooks Checks - Computer Printed Checks - 3 5/8 X 8 11/16 (Not for Invoices) by blue summit supplies
- **How much does it cost?** R$578 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/34590567-500-8-self-seal-double-window-security-envelopes-designed-quickbooks)

## 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

- • **Durable Quality:** Crafted from 24 LB white wove paper, these envelopes ensure a professional appearance during transit.
- • **Bulk Convenience:** Comes in a generous pack of 500, perfect for businesses that value efficiency and organization.
- • **Enhanced Privacy:** Unique double window design keeps check amounts and memos hidden, maintaining confidentiality.
- • **Effortless Sealing:** Self-seal feature allows for quick and secure closure, saving you time and effort.
- • **Perfect Fit for QuickBooks:** Designed to seamlessly accommodate QuickBooks Laser Checks, ensuring a hassle-free experience.

## Overview

The 500#8 Self Seal Double Window Security Envelopes are expertly designed for QuickBooks checks, featuring a unique double window that ensures privacy while maintaining a professional look. With a self-seal closure and durable construction, these envelopes are perfect for businesses looking to streamline their check handling process.

## Description

500#8 Self Seal Double Window Security Envelopes Designed for QuickBooks Checks - Computer Printed Checks - 3 5/8 X 8 11/16 (Not for Invoices)

## Features

- Perfectly fits QuickBooks Laser Checks, or other computer printed checks: checks will slide in easier with a slightly wider design than the standard two window 8 5/8 envelope
- Checks amounts and memos will not be visible: Only addresses will show through our unique 2 window design with no need to change QuickBooks, QB Online, or Quicken settings
- Provides complete check security: your checks will be hidden with our security tint design
- Just Peel and Seal to create a strong lasting seal: Our self seal design is quick and easy and is guaranteed to stay sealed
- 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 |
| Item Weight | 1 pounds |
| Product Dimensions | 8.68 x 3.62 x 0.04 inches |
| Item model number | FBA_BSS-92588-001 |
| Is Discontinued By Manufacturer | No |
| Color | White |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Paper |
| Number of Items | 500 |
| Size | 500 Count |
| Sheet Size | 3 5/8'' X 8 11/16'' Inches |
| Manufacturer Part Number | FBA_BSS-92588-001 |

## Images

![500#8 Self Seal Double Window Security Envelopes Designed for QuickBooks Checks - Computer Printed Checks - 3 5/8 X 8 11/16 (Not for Invoices) - Image 1](https://m.media-amazon.com/images/I/81+FKi+K4dL.jpg)

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**Shop now:** [https://www.desertcart.com.br/products/34590567-500-8-self-seal-double-window-security-envelopes-designed-quickbooks](https://www.desertcart.com.br/products/34590567-500-8-self-seal-double-window-security-envelopes-designed-quickbooks)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-21*