---
product_id: 502329473
title: "#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack"
brand: "herkka"
price: "$1903"
currency: MXN
in_stock: true
reviews_count: 8
url: https://www.desertcart.mx/products/502329473-10-security-self-seal-envelopes-no-10-windowless-bussiness-envelopes
store_origin: MX
region: Mexico
---

# Standard #10 size fits all business needs Premium security tint blocks prying eyes Printer-friendly, compatible with inkjet & laser #10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack

**Brand:** herkka
**Price:** $1903
**Availability:** ✅ In Stock

## Summary

> 🔐 Seal your success with security and style!

## Quick Answers

- **What is this?** #10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack by herkka
- **How much does it cost?** $1903 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/502329473-10-security-self-seal-envelopes-no-10-windowless-bussiness-envelopes)

## 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

- • **Privacy You Can Trust:** Dark navy security tint inside envelopes guarantees sensitive info stays confidential and unseen.
- • **Unbreakable Seal Confidence:** Peel & Seal closure with ultra-strong adhesive ensures your documents stay secure—no moisture, no fuss.
- • **Bulk Supply for Business Flow:** 500 envelopes per pack means you’re always ready for high-volume correspondence without running out.
- • **Seamless Printer Compatibility:** Works flawlessly with most inkjet and laser printers for fast, professional addressing every time.
- • **Effortless Professional Mailing:** Windowless, blank design perfect for custom addressing or labels—ideal for mass mailings and bulk office use.

## Overview

HERKKA #10 Security Self-Seal Envelopes offer a premium privacy solution with a dark navy security tint and ultra-strong peel & seal adhesive. Sized at 4-1/8 x 9-1/2 inches, these 24 LB windowless envelopes come in a bulk 500-pack, designed for professional, printer-friendly use in high-volume business mailing and confidential document handling.

## Description

#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack

## Features

- 500 PACK SELF SEAL BUSSINESS ENVELOPES：HERKKA #10 Security envelopes are designed with Peel & 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, invoices, or other confidential documents
- PREMIUM SECURITY TINT PATTERN: The interior of our #10 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
- SUITABLE FOR CHECK PRINTING DESIGN: HERKKA envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless blank design allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office. Suitable for quick, mass business mailings
- EASY SEAL CLOSURE: Our #10 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! Fully compatible with most ink jet and laser printers for quick and easy addressing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HERKKA |
| Brand | HERKKA |
| Item Weight | 6.21 pounds |
| Product Dimensions | 9.5 x 4.13 x 0.04 inches |
| Item model number | HERKKA |
| Color | Black |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Paper |
| Number of Items | 500 |
| Size | 4 1/8 x 9 ½ inches |
| Manufacturer Part Number | HERKKA |

## Product Details

- **Brand:** HERKKA
- **Color:** Black
- **Closure Type:** Self-Seal
- **Material:** Paper
- **Number of Items:** 500

## Images

![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 1](https://m.media-amazon.com/images/I/6121tRmtR+L.jpg)
![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 2](https://m.media-amazon.com/images/I/61u-FJLaaYL.jpg)
![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 3](https://m.media-amazon.com/images/I/61JwMk1A5XL.jpg)
![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 4](https://m.media-amazon.com/images/I/5150jKsvMZL.jpg)
![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 5](https://m.media-amazon.com/images/I/51duuQyJNnL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worth the money.
*by U***A on May 6, 2025*

Pretty thick. And a good value.

### ⭐⭐⭐⭐⭐ Very well made
*by T***G on November 14, 2024*

I go through a lot of envelopes and these ones I think are the best. Well the box I got was anyways, only used 500 so far. Why I say they are the best because almost every envelope will taper slightly at the bottom corners. Getting envelopes that are perfect 90 degrees on every corner is like non existent. It usually is only an ever so slight taper and will process through machines that require #10 envelopes but it is noticeable if you line them against a straight edge and this ones were fantastic.

### ⭐⭐⭐⭐⭐ Plenty
*by N***E on November 14, 2024*

These are perfect. Just pull and stick, quick and easy Sending off mail

## Frequently Bought Together

- #10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack
- Oxford Index Cards, Index Cards, Blank on Both Sides, White, Cards (40177), 4x6,100 Count (Pack of 5)
- Amazon Basics Blank 1000 Index Cards, 500 Count (Pack of 2), White, 4'' x 6''

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**Shop now:** [https://www.desertcart.mx/products/502329473-10-security-self-seal-envelopes-no-10-windowless-bussiness-envelopes](https://www.desertcart.mx/products/502329473-10-security-self-seal-envelopes-no-10-windowless-bussiness-envelopes)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-22*