---
product_id: 291903649
title: "9 x 12 Security Envelopes, 100/Box, 9 x 12 Inches, Release & Seal Self Seal, SimplySafe Tamper Evident Pull Strip, White (COLO930)"
brand: "columbian"
price: "KSh14833"
currency: KES
in_stock: true
url: https://www.desertcart.co.ke/products/291903649-9-x-12-security-envelopes-100-box-9-x-12
store_origin: KE
region: Kenya
---

# 100 Envelopes Tamper-Evident Self-Seal Closure 9 x 12 Security Envelopes, 100/Box, 9 x 12 Inches, Release & Seal Self Seal, SimplySafe Tamper Evident Pull Strip, White (COLO930)

**Brand:** columbian
**Price:** KSh14833
**Availability:** ✅ In Stock

## Summary

> 📬 Seal the Deal with Confidence!

## Quick Answers

- **What is this?** 9 x 12 Security Envelopes, 100/Box, 9 x 12 Inches, Release & Seal Self Seal, SimplySafe Tamper Evident Pull Strip, White (COLO930) by columbian
- **How much does it cost?** KSh14833 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/291903649-9-x-12-security-envelopes-100-box-9-x-12)

## Best For

- columbian enthusiasts

## Why This Product

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

## Key Features

- • **Privacy First:** Security tint pattern obscures sensitive information.
- • **Bulk Convenience:** Stock up with 100 envelopes for all your mailing needs.
- • **Effortless Sealing:** Release & Seal peel strip for a clean, moisture-free closure.
- • **Secure Your Secrets:** Patented SimplySafe seal shows tampering signs.
- • **Heavyweight Protection:** Crafted from durable 28 lb white wove paper.

## Overview

The Columbian 9 x 12 Security Envelopes come in a box of 100, featuring a patented SimplySafe tamper-evident seal and a security tint to protect sensitive documents. With an easy Release & Seal closure, these heavyweight envelopes ensure your important mail stays private and secure.

## Description

Columbian 9 x 12 Security Envelopes, 100/Box, 9 x 12 Inches, Release & Seal Self Seal, SimplySafe Tamper Evident Pull Strip, White (COLO930)

## Features

- Get a box of 100 Columbian 9 x 12 envelopes with SimplySafe tamper-evident pull strips and security tinted interiors for mailing sensitive oversized documents; easy peel off Release & Seal closure
- Columbian 9 x 12 envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening
- Security envelopes have a strong security tint pattern so you can't see what's inside; ideal for obscuring more sensitive information and protecting critical documents
- These self seal envelopes have a Release & Seal peel strip; peel off the paper strip and press down for a permanent seal; it's simple, clean, and sanitary with no moisture required
- Stock up on these catalog envelope 100 packs made from heavyweight 28 lb white wove paper

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TOPS Products |
| Brand | Columbian |
| Item Weight | 3.96 pounds |
| Product Dimensions | 7 x 3 x 0.1 inches |
| Item model number | COLO930 |
| Color | White |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Paper |
| Number of Items | 100 |
| Size | 9 x 12 |
| Sheet Size | 9 x 12 |
| Manufacturer Part Number | COLO930 |

## Product Details

- **Brand:** Columbian
- **Color:** White
- **Closure Type:** Self-Seal
- **Material:** Paper
- **Number of Items:** 100

## Images

![9 x 12 Security Envelopes, 100/Box, 9 x 12 Inches, Release & Seal Self Seal, SimplySafe Tamper Evident Pull Strip, White (COLO930) - Image 1](https://m.media-amazon.com/images/I/61oXjE7xZKL.jpg)

## Available Options

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

## Frequently Bought Together

- Columbian 9 x 12 Security Envelopes, 100/Box, 9 x 12 Inches, Release & Seal Self Seal, SimplySafe Tamper Evident Pull Strip, White (COLO930)
- 40#10 Security Tinted Self-Seal Envelopes - No Window, EnveGuard, Size 4-1/8 X 9-1/2 Inches - White - 24 LB - 40 Count (34140)
- 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.co.ke/products/291903649-9-x-12-security-envelopes-100-box-9-x-12](https://www.desertcart.co.ke/products/291903649-9-x-12-security-envelopes-100-box-9-x-12)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-01-26*