---
product_id: 38559678
title: "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"
brand: "blue summit supplies"
price: "£40.89"
currency: GBP
in_stock: true
reviews_count: 13
category: "Blue Summit Supplies"
url: https://www.desertcart.co.uk/products/38559678-500-8-gummed-double-window-security-check-envelopes-designed-quickbooks
store_origin: GB
region: United Kingdom
---

# Precision #8 size fit Bulk 500-pack supply Security tint for privacy 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

**Brand:** blue summit supplies
**Price:** £40.89
**Availability:** ✅ In Stock

## Summary

> 📬 Seal your success with security and style!

## Quick Answers

- **What is this?** 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 by blue summit supplies
- **How much does it cost?** £40.89 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/38559678-500-8-gummed-double-window-security-check-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

- • **Streamline Your Workflow:** Sized at 3 5/8 x 8 11/16 inches, these envelopes fit voucher-style checks perfectly, optimizing accounts payable efficiency.
- • **Bulk Supply, Bulk Savings:** 500-count pack of durable 24lb white paper envelopes keeps your office stocked and your budget happy.
- • **Perfect Alignment Every Time:** Double window design tailored for QuickBooks checks ensures flawless address and payee visibility—no labels needed.
- • **Confidentiality You Can Trust:** Inner security tint blocks prying eyes, safeguarding sensitive payroll and financial info during transit.
- • **Reliable Seal for Peace of Mind:** Traditional gummed flap guarantees a secure, moisture-activated closure for high-volume mailing without fail.

## Overview

These Blue Summit Supplies #8 double window security check envelopes are precision-engineered for QuickBooks checks, featuring a privacy-enhancing security tint and a reliable gummed seal. Sized at 3 5/8 x 8 11/16 inches, the envelopes align perfectly with voucher-style checks, streamlining business mailing workflows. Offered in a cost-effective 500-pack, they combine durability and confidentiality to meet the demands of busy accounting and payroll teams.

## Description

desertcart.com : 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 : Office Products

Review: Great for use with Intuit QuickBooks Checks! - Blue Summit Supplies are Awesome! I really don't have time to write reviews - but I love their products. They cost slightly less than their competitors - but I think their quality is slightly better. These are definitely "privacy" envelopes; and they seal securely. I use them for Intuit QuickBooks accounts payable vendor checks. We use the full sheet laser checks; keep the bottom stub for our records - mail the check and the middle stub (which has transaction detail) to the vendor. The QB check fits perfectly into these envelopes - with our name/address showing in the top window; the vendor name/address showing in the bottom window. Before, we bought from a "deluxe" supplier - and the price was almost 3x's as much (and sometimes their envelope window cut off the bottom line - which is a problem because it has the zip code... and sometimes it seemed their envelopes were getting a little "tight" to put my checks into). No problems with Blue Summit!
Review: Great value, haven't had one failure yet - I've been using these exact brand and type of envelopes for a mid-sized company for several years, having gone through over 2000 individual envelopes. I can't remember a single instance where one failed, or improperly sealed or had some issue. That's in addition to the great value they provide over more expensive alternatives—which is why they're on my automatic delivery subscription.

## Features

- Precision Fit #8 Envelopes For Checks – Businesses and accounting teams mailing vendor payments use these #8 double window envelopes for QuickBooks checks measuring 3 5/8 x 8 11/16 inches, designed to align with voucher-style check layouts for consistent insertion during accounts payable workflows.
- QuickBooks Check Envelopes with Address Alignment – Offices and payroll teams using QuickBooks checks use these number 10 double window QuickBooks envelopes for checks designed to display the return address in the top window and the payee address below, eliminating the need for labels during weekly check runs.
- Safe Mailing with Inner Security Tint for Privacy – Businesses mailing payroll, paychecks, and financial documents use these #8 security envelopes with a printed security tint that helps reduce read-through and conceal memo lines during transit.
- Reliable Gummed Seal – Accounting teams and mailrooms handling high-volume check runs use these envelopes with a traditional moisture-activated gummed flap that creates a secure closure for consistent sealing across payroll and accounts payable batches.
- Bulk 500 Pack For Office Workflows – Small businesses, accounting teams, and home offices use this 500-count pack of #8 double window check envelopes made from 24lb white paper to maintain a dependable supply for recurring payment and mailing workflows.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01NAQROBP |
| Additional Features | Double Window, Security Tint, Self-Adhesive Closure |
| Best Sellers Rank | #27,159 in Office Products ( See Top 100 in Office Products ) #88 in Business Mailing Envelopes |
| Brand | Blue Summit Supplies |
| Brand Name | Blue Summit Supplies |
| Closure Type | Gummed |
| Color | White |
| Customer Reviews | 4.5 out of 5 stars 735 Reviews |
| Item Dimensions L x W | 8.6"L x 3.6"W |
| Item Shape | Rectangular |
| Manufacturer | Blue Summit Supplies |
| Material | Paper |
| Material Type | Paper |
| Model Name | No. 8 Double Window Security Check Envelopes For QuickBooks |
| Number of Items | 1 |
| Occasion | Business Mail |
| Occasion Type | Business Mail, Checks |
| Recommended Uses For Product | Checks |
| Size | Number 8 |
| Style | Security |
| UPC | 865181000337 |
| Unit Count | 500 Count |

## Product Details

- **Brand:** Blue Summit Supplies
- **Closure Type:** Gummed
- **Color:** White
- **Material:** Paper
- **Occasion:** Business Mail

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71UimhX0xoL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/81M+RylpM6L.jpg)
![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 - Image 3](https://m.media-amazon.com/images/I/81r7AdMxwuL.jpg)
![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 - Image 4](https://m.media-amazon.com/images/I/712fiv8yAmL.jpg)
![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 - Image 5](https://m.media-amazon.com/images/I/81f1MQYwz3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for use with Intuit QuickBooks Checks!
*by A***R on March 6, 2018*

Blue Summit Supplies are Awesome! I really don't have time to write reviews - but I love their products. They cost slightly less than their competitors - but I think their quality is slightly better. These are definitely "privacy" envelopes; and they seal securely. I use them for Intuit QuickBooks accounts payable vendor checks. We use the full sheet laser checks; keep the bottom stub for our records - mail the check and the middle stub (which has transaction detail) to the vendor. The QB check fits perfectly into these envelopes - with our name/address showing in the top window; the vendor name/address showing in the bottom window. Before, we bought from a "deluxe" supplier - and the price was almost 3x's as much (and sometimes their envelope window cut off the bottom line - which is a problem because it has the zip code... and sometimes it seemed their envelopes were getting a little "tight" to put my checks into). No problems with Blue Summit!

### ⭐⭐⭐⭐⭐ Great value, haven't had one failure yet
*by A***T on February 1, 2026*

I've been using these exact brand and type of envelopes for a mid-sized company for several years, having gone through over 2000 individual envelopes. I can't remember a single instance where one failed, or improperly sealed or had some issue. That's in addition to the great value they provide over more expensive alternatives—which is why they're on my automatic delivery subscription.

### ⭐⭐⭐⭐⭐ Great Envelopes for Sage Checks
*by H***Z on August 10, 2020*

I had a hard time finding a double window security envelope that was reviewed as working well with checks printed in Sage Accounting. I use Sage 50 Accounting and I can say that these fit my checks perfectly! They are good quality - seal well with our Pitney Bowes mail machine and aren't too thin where you can see thru them. Plus, if you can find them thru Amazon Warehouse, are a bargain. Highly recommend!

## 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.uk/products/38559678-500-8-gummed-double-window-security-check-envelopes-designed-quickbooks](https://www.desertcart.co.uk/products/38559678-500-8-gummed-double-window-security-check-envelopes-designed-quickbooks)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-03*