---
product_id: 599832530
title: "Columbian 9 x 12 Catalog Envelopes, 30 Pack, Document Envelopes with Self Seal Closure, Heavyweight 28 lb Paper, Self Sealing Envelopes for Mailing, Filing and Organizing, Brown Kraft"
brand: "columbian"
price: "A$28"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/599832530-columbian-9-x-12-catalog-envelopes-30-pack-document-envelopes
store_origin: AU
region: Australia
---

# 9 x 12 inch oversized fit Self-seal closure, no moisture needed 28 lb heavyweight kraft durability Columbian 9 x 12 Catalog Envelopes, 30 Pack, Document Envelopes with Self Seal Closure, Heavyweight 28 lb Paper, Self Sealing Envelopes for Mailing, Filing and Organizing, Brown Kraft

**Brand:** columbian
**Price:** A$28
**Availability:** ✅ In Stock

## Summary

> 📬 Seal the deal with style and ease—mail smarter, not harder!

## Quick Answers

- **What is this?** Columbian 9 x 12 Catalog Envelopes, 30 Pack, Document Envelopes with Self Seal Closure, Heavyweight 28 lb Paper, Self Sealing Envelopes for Mailing, Filing and Organizing, Brown Kraft by columbian
- **How much does it cost?** A$28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/599832530-columbian-9-x-12-catalog-envelopes-30-pack-document-envelopes)

## 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

- • **Organize Like a Pro:** Top-loading design makes inserting flyers, contracts, or paperwork seamless and efficient.
- • **Ideal 30-Pack Supply:** Enough envelopes to keep your office, home, or classroom mail-ready without running out.
- • **Effortless Peel & Seal:** No licking or moisture required—just peel the strip and press for a quick, dust-protected seal.
- • **Flat & Fold-Free Shipping:** Perfectly sized to mail large documents, photos, and catalogs without creases or folds.
- • **Heavy-Duty Kraft Protection:** 28 lb brown kraft paper ensures your contents stay private and secure during transit.

## Overview

Columbian 9 x 12 Catalog Envelopes offer a professional, durable mailing solution with heavyweight 28 lb kraft paper and a convenient self-seal closure. Designed to fit large documents flat, these 30-pack envelopes combine privacy, strength, and effortless use—perfect for busy professionals who demand reliability and efficiency in their office supplies.

## Description

Columbian 9 x 12 Catalog Envelopes with Self Seal Closure, 28 lb Brown Kraft, for Mailing Flat Letter Size Documents or Photos, 30 Per Pack (COLO401)

## Features

- Columbian 9" x 12" Catalog Envelopes fit large letters, catalogs or photos flat, without folds or creases; heavy-duty 28 lb kraft envelopes provide privacy & durability with easy self seal closure
- Release & Seal self seal envelopes make mail day easy; just pull the paper strip and press— no moisture required; strips protect your adhesive from dust so envelopes last longer in storage
- These sturdy large envelopes are manufactured from heavyweight 28 lb. brown kraft paper for durability in mailing or storage; top-loading envelopes make it easy to drop in flyers or other enclosures
- 9 x 12 mailing envelopes are perfect for shipping letter size contracts, catalogs, registration packets, 8 x 10 photos and other paper enclosures; ideal for flat rate mailings
- 30 Packs are the perfect amount of peel and seal envelopes so you have just enough at home, the office or school; perfect for mailing, sorting and storing paperwork

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TOPS Products |
| Brand | Columbian |
| Item Weight | 1.15 pounds |
| Product Dimensions | 12.13 x 9.13 x 0.1 inches |
| Item model number | COLO401 |
| Color | White |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Paper |
| Number of Items | 30 |
| Size | Large |
| Manufacturer Part Number | COLO401 |

## Product Details

- **Brand:** Columbian
- **Color:** White
- **Closure Type:** Self-Seal
- **Material:** Paper
- **Number of Items:** 30

## Images

![Columbian 9 x 12 Catalog Envelopes, 30 Pack, Document Envelopes with Self Seal Closure, Heavyweight 28 lb Paper, Self Sealing Envelopes for Mailing, Filing and Organizing, Brown Kraft - Image 1](https://m.media-amazon.com/images/I/61be+DzAYxL.jpg)

## Frequently Bought Together

- Columbian 9 x 12 Catalog Envelopes with Self Seal Closure, 28 lb Brown Kraft, for Mailing Flat Letter Size Documents or Photos, 30 Per Pack (COLO401)
- Aimoh #10 Security Tinted Self-Seal Envelopes - No Window - Size 4-1/8 X 9-1/2 Inches - White - 24 LB - 100 Count (34100)
- HP Printer Paper | 8.5 x 11 Paper | Copy &Print 20 lb | 1 Ream Case - 500 Sheets| 92 Bright | Made in USA - FSC Certified | 200060

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**Shop now:** [https://www.desertcart.com.au/products/599832530-columbian-9-x-12-catalog-envelopes-30-pack-document-envelopes](https://www.desertcart.com.au/products/599832530-columbian-9-x-12-catalog-envelopes-30-pack-document-envelopes)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-03*