---
product_id: 230630201
title: "#9 Double Window Security Envelopes, HERKKA No.9 Double Window Business Envelopes Designed for Quickbooks Invoices and Business Statements - Number 9 Size 3 7/8 Inch X 8 7/8 Inch - 24 LB - 500 Pack"
brand: "herkka"
price: "3019335₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/230630201-9-double-window-security-envelopes-herkka-no-9-double-window
store_origin: VN
region: Vietnam
---

# 500 Pack Security Tint Double Window #9 Double Window Security Envelopes, HERKKA No.9 Double Window Business Envelopes Designed for Quickbooks Invoices and Business Statements - Number 9 Size 3 7/8 Inch X 8 7/8 Inch - 24 LB - 500 Pack

**Brand:** herkka
**Price:** 3019335₫
**Availability:** ✅ In Stock

## Summary

> 📬 Secure Your Secrets with Style!

## Quick Answers

- **What is this?** #9 Double Window Security Envelopes, HERKKA No.9 Double Window Business Envelopes Designed for Quickbooks Invoices and Business Statements - Number 9 Size 3 7/8 Inch X 8 7/8 Inch - 24 LB - 500 Pack by herkka
- **How much does it cost?** 3019335₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/230630201-9-double-window-security-envelopes-herkka-no-9-double-window)

## Best For

- herkka enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Supply:** 500 envelopes to keep your business running smoothly.
- • **Durable Design:** Strong adhesive prevents tearing or opening.
- • **Ultimate Privacy:** Premium security tint ensures confidentiality.
- • **Effortless Sealing:** Self-seal closure for quick and secure mailing.
- • **Designed for Professionals:** Perfectly tailored for QuickBooks invoices.

## Overview

The HERKKA No.9 Double Window Security Envelopes come in a bulk pack of 500, featuring a self-seal closure and a premium security tint that ensures the confidentiality of your sensitive documents. Designed specifically for QuickBooks invoices and business statements, these envelopes boast a double window design that only displays the sender and return address, keeping your financial details private. With a durable construction and a strong adhesive, these envelopes are perfect for everyday business correspondence.

## Description

#9 Double Window Security Envelopes, HERKKA No.9 Double Window Business Envelopes Designed for Quickbooks Invoices and Business Statements - Number 9 Size 3 7/8 Inch X 8 7/8 Inch - 24 LB - 500 Pack

## Features

- 500 PACK SELF SEAL ENVELOPES: HERKKA No9 Security envelopes are designed with Peel and Seal closure-no moisture needed and a premium security tint to protect sensitive information and a super strong SELF-SEAL strip. Suitable for home or office; securely send checks or other confidential documents.
- PREMIUM SECURITY CHECK TINT ENVELOPES: The interior of our No9 Security envelopes use a dark navy, heavy coverage security tint to provide the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy.
- DOUBLE WINDOW DESIGN: Only sender and return address will show on your QuickBooks invoices and monthly bills through our unique 2 window . No show of memo, Payee line or amount in windows. Suitable for QuickBooks Invoices and business billing statements.
- QUICK-SEAL CLOSURE: Our No9 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing for any letter sized and larger documents without splitting.
- LONG LASTING SUPPLY: Large sized envelopes and 500 envelopes in every pack for a long lasting supply, suitable for everyday business correspondence and large mailing tasks! Click the Orange Button to order now.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size Name | Self Seal-Blue |
| Item Dimensions L x W | 8.87"L x 3.87"W |
| Material Type | Paper |
| Style Name | Self Sealing |
| Occasion Type | Business,Office |
| Shape | Rectangular |
| Color | Blue |
| Additional Features | Self Adhesive |
| Recommended Uses For Product | Security |
| Number of Items | 500 |
| Apparel Closure Type | Self-Seal |

## Images

![#9 Double Window Security Envelopes, HERKKA No.9 Double Window Business Envelopes Designed for Quickbooks Invoices and Business Statements - Number 9 Size 3 7/8 Inch X 8 7/8 Inch - 24 LB - 500 Pack - Image 1](https://m.media-amazon.com/images/I/61WiobFI4mL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.vn/products/230630201-9-double-window-security-envelopes-herkka-no-9-double-window](https://www.desertcart.vn/products/230630201-9-double-window-security-envelopes-herkka-no-9-double-window)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-13*