---
product_id: 45691551
title: "ACSTEP #10 500Pack Double Window Envelopes Self Seal Security Envelopes For Business, Quickbooks Check With Self Sealing Closure, 4 1/8 x 9 1/2 White"
brand: "acstep"
price: "£51.13"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/45691551-acstep-10-500pack-double-window-envelopes-self-seal-security-envelopes
store_origin: GB
region: United Kingdom
---

# 500 Count Self-Seal Closure Secure Privacy ACSTEP #10 500Pack Double Window Envelopes Self Seal Security Envelopes For Business, Quickbooks Check With Self Sealing Closure, 4 1/8 x 9 1/2 White

**Brand:** acstep
**Price:** £51.13
**Availability:** ✅ In Stock

## Summary

> 📬 Seal the Deal with Ease!

## Quick Answers

- **What is this?** ACSTEP #10 500Pack Double Window Envelopes Self Seal Security Envelopes For Business, Quickbooks Check With Self Sealing Closure, 4 1/8 x 9 1/2 White by acstep
- **How much does it cost?** £51.13 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/45691551-acstep-10-500pack-double-window-envelopes-self-seal-security-envelopes)

## Best For

- acstep enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Savings:** 500 envelopes for all your business needs.
- • **Durable Quality:** Crafted from sturdy white kraft paper.
- • **Effortless Sealing:** Peel, press, and seal—no more licking!
- • **Double Window Design:** Streamline your addressing process.
- • **Time-Saving Efficiency:** Reduce workload and minimize mistakes.

## Overview

The ACSTEP #10 Double Window Envelopes come in a bulk pack of 500, featuring a self-sealing closure that eliminates the need for licking. Made from durable white kraft paper, these envelopes ensure secure privacy for your business documents while streamlining the mailing process with their double window design.

## Description

ACSTEP #10 500Pack Double Window Envelopes Self Seal Security Envelopes For Business, Quickbooks Check With Self Sealing Closure, 4 1/8 x 9 1/2 White

## Features

- Self Seal Envelopes: Go away with licking yucky glue! Peel, Press & Self Seal. Easy and time-saving. No paper cuts on your tongue and no need moisture.
- Double Window Business Envelopes help save more efforts and time from labeling or addressing. Highly reduce work load and mistakes. Improve efficency
- Made of durable White kraft paper, #10 envelopes provide high quality smooth surface finish and super secure privacy for labeling or addressing.
- Large quantities supply is cheap for frequent mailings, business documents or big bulk mailing projects. Absolute 500 COUNTS.
- #10 Bussiness Envelopes perfect for mailing business materials, letters, Checks, Cheques.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Acko |
| Brand | ACSTEP |
| Item Weight | 6.8 pounds |
| Product Dimensions | 9.13 x 4.13 x 0.04 inches |
| Item model number | Brown Cheque size envelop |
| Is Discontinued By Manufacturer | No |
| Color | Double Window |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Paper |
| Number of Items | 500 |
| Size | #10 Double Window 500Count |
| Manufacturer Part Number | Acko - 00065 |

## Images

![ACSTEP #10 500Pack Double Window Envelopes Self Seal Security Envelopes For Business, Quickbooks Check With Self Sealing Closure, 4 1/8 x 9 1/2 White - Image 1](https://m.media-amazon.com/images/I/71+8E9xVLBL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.co.uk/products/45691551-acstep-10-500pack-double-window-envelopes-self-seal-security-envelopes](https://www.desertcart.co.uk/products/45691551-acstep-10-500pack-double-window-envelopes-self-seal-security-envelopes)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-18*