---
product_id: 349671334
title: "HERKKA #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: "S$115"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/349671334-herkka-10-security-self-seal-envelopes-no-10-windowless-bussiness
store_origin: SG
region: Singapore
---

# 500 Pack Security Tint Self-Seal Closure HERKKA #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:** S$115
**Availability:** ✅ In Stock

## Summary

> 📬 Secure Your Secrets with Style!

## Quick Answers

- **What is this?** HERKKA #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?** S$115 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/349671334-herkka-10-security-self-seal-envelopes-no-10-windowless-bussiness)

## 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

- • **Ultimate Privacy:** Premium security tint ensures your sensitive information stays confidential.
- • **Durable & Reliable:** Super strong adhesive strip guarantees a secure seal that won't tear or open.
- • **Effortless Sealing:** Peel & Seal closure means no moisture needed—just peel and stick!
- • **Long-Lasting Supply:** 500 envelopes in one pack—perfect for all your business correspondence needs!
- • **Mass Mailing Made Easy:** Windowless design allows for easy printing and labeling for bulk mailings.

## Overview

The HERKKA #10 Security Self-Seal Envelopes come in a bulk pack of 500, featuring a premium security tint for confidentiality, a user-friendly self-seal closure, and a windowless design ideal for easy printing. Perfect for both home and office use, these envelopes ensure your sensitive documents are securely mailed without hassle.

## Description

HERKKA #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.perfect 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 guaranteed privacy for your legal or business mail, offer the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy.
- PERFECT 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. Perfect 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, perfect for everyday business correspondence and large mailing tasks! Fully compatible with most inkjet and laser printers for quick and easy addressing. Click the Orange Button to order now.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HERKKA |
| Brand | HERKKA |
| Model number | HERKKA |
| Package Dimensions | 28.81 x 25.39 x 11.85 cm; 3.07 Kilograms |
| Color | Blue |
| Closure | Self-Seal |
| Shape | Rectangular |
| Number of Items | 500 |
| Size | 4 1/8 x 9 ½ inches |
| Manufacturer Part Number | HERKKA |
| Item Weight | 3.07 Kilograms |

## Product Details

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

## Images

![HERKKA #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/51as6lj3UkL.jpg)
![HERKKA #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/61p7srDCuTL.jpg)
![HERKKA #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/51bY1QPiFBL.jpg)
![HERKKA #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/61j9bFndL5L.jpg)
![HERKKA #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/615yOp4c1LL.jpg)

## Frequently Bought Together

- HERKKA #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
- Amazon Basics 1/3-Cut Tab, Assorted Positions File Folders, Letter Size, Manila - Pack of 100
- Amazon Basics Multipurpose Copy Printer Paper, 8.5" x 11", 20 lb, 8 Reams, 4000 Sheets, 92 Bright, White

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**Shop now:** [https://www.desertcart.sg/products/349671334-herkka-10-security-self-seal-envelopes-no-10-windowless-bussiness](https://www.desertcart.sg/products/349671334-herkka-10-security-self-seal-envelopes-no-10-windowless-bussiness)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-03*