---
product_id: 332281880
title: "500 Pack #10 Double Window Security Self-Seal Envelopes - Suitable Size for Multiple Business Statements, Quickbooks Invoices, and Return Envelopes, Size 4-1/8 x 9-1/2 - White - 24 LB"
brand: "herkka"
price: "44992 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/332281880-500-pack-10-double-window-security-self-seal-envelopes-suitable
store_origin: HU
region: Hungary
---

# Standard #10 size (4-1/8 x 9-1/2 in) Premium security tint for privacy Ultra-strong self-seal adhesive strip 500 Pack #10 Double Window Security Self-Seal Envelopes - Suitable Size for Multiple Business Statements, Quickbooks Invoices, and Return Envelopes, Size 4-1/8 x 9-1/2 - White - 24 LB

**Brand:** herkka
**Price:** 44992 Ft
**Availability:** ✅ In Stock

## Summary

> 📬 Seal the deal with security and style!

## Quick Answers

- **What is this?** 500 Pack #10 Double Window Security Self-Seal Envelopes - Suitable Size for Multiple Business Statements, Quickbooks Invoices, and Return Envelopes, Size 4-1/8 x 9-1/2 - White - 24 LB by herkka
- **How much does it cost?** 44992 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/332281880-500-pack-10-double-window-security-self-seal-envelopes-suitable)

## 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

- • **Mass Mailing Ready:** 500 envelopes per box to power through your busiest billing cycles.
- • **Printer Friendly Design:** Smooth, thick 24 LB paper compatible with inkjet & laser printers—jam-free.
- • **Dual Window Transparency:** Show sender & recipient addresses clearly without extra effort.
- • **Privacy-First Security Tint:** Protect sensitive info with a premium, hard-to-see-through pattern.
- • **Effortless Self-Seal Closure:** Seal envelopes quickly and securely—no tape or glue needed.

## Overview

This 500-pack of #10 double window security envelopes by HERKKA offers a perfect balance of professional presentation and privacy. Sized at 4-1/8 x 9-1/2 inches, these 24 LB white envelopes feature dual windows for sender and recipient addresses, a premium security tint to protect sensitive contents, and an ultra-strong self-seal adhesive strip for quick, reliable closure. Ideal for business statements, invoices, and checks, they are compatible with most inkjet and laser printers, making them a must-have for efficient, secure mass mailing.

## Description

500 Pack #10 Double Window Security Self-Seal Envelopes - Suitable Size for Multiple Business Statements, Quickbooks Invoices, and Return Envelopes, Size 4-1/8 x 9-1/2 - White - 24 LB

## Features

- #10 SECURITY ENVELOPES:Our #10 double window envelopes can easily read dual windows for everyday business mailings and postal addresses. You can use business mailing envelopes for sending invoices and checks. It's the suitable for secure business mailing, invoices, billing statements, checks, everyday home and other business mail.
- DOUBLE WINDOW ENVELOPE DESIGN: Envelopes with dual window allows sender and recipient address to show through our unique 2 window, secure envelopes suitable for everyday business, legal mailing, and business billing statements while protecting sensitive contents and information.
- PREMIUM SECURITY TINTED PATTERN: #10 Security envelopes are designed with a premium security printed design to provide the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy.
- ULTRA STRONG EASY SEAL: #10 envelopes are manufactured with ultra 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 larger documents without splitting, is secured to stay sealed with no need for tape or glue sticks.
- LONG LASTING SUPPLY: Each box has 500 envelopes which can meet a long lasting supply, ideal for mass mailing of everyday business tasks! Our envelopes with smooth thick paper, it's fully compatible with most ink jet and laser printers, can print quick and easily without worry about paper jams. Click the Orange Button to order now.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HERKKA |
| Brand | HERKKA |
| Item Weight | 6.41 pounds |
| Product Dimensions | 9.5 x 4.12 x 0.04 inches |
| Item model number | HERKKA |
| Color | Self Seal-blue |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Paper |
| Number of Items | 500 |
| Size | Self Seal-blue |
| Manufacturer Part Number | HERKKA |

## Product Details

- **Brand:** HERKKA
- **Color:** Self Seal-blue
- **Closure Type:** Self-Seal
- **Occasion:** Business
- **Material:** Paper

## Images

![500 Pack #10 Double Window Security Self-Seal Envelopes - Suitable Size for Multiple Business Statements, Quickbooks Invoices, and Return Envelopes, Size 4-1/8 x 9-1/2 - White - 24 LB - Image 1](https://m.media-amazon.com/images/I/71coV+gWAlS.jpg)

## Frequently Bought Together

- 500 Pack #10 Double Window Security Self-Seal Envelopes - Suitable Size for Multiple Business Statements, Quickbooks Invoices, and Return Envelopes, Size 4-1/8 x 9-1/2 - White - 24 LB
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- 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.hu/products/332281880-500-pack-10-double-window-security-self-seal-envelopes-suitable](https://www.desertcart.hu/products/332281880-500-pack-10-double-window-security-self-seal-envelopes-suitable)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-31*