---
product_id: 65312000
title: "Double Window Self Seal Security Envelopes-500 per box-Upgrade to Premium Quality and Save Time Using the Press and Seal Feature"
brand: "packard enterprise"
price: "NT$2091"
currency: TWD
in_stock: true
category: "Office Product"
url: https://www.desertcart.tw/products/65312000-double-window-self-seal-security-envelopes-500-per-box-upgrade
store_origin: TW
region: Taiwan
---

# Double Window Self Seal Security Envelopes-500 per box-Upgrade to Premium Quality and Save Time Using the Press and Seal Feature

**Brand:** packard enterprise
**Price:** NT$2091
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Double Window Self Seal Security Envelopes-500 per box-Upgrade to Premium Quality and Save Time Using the Press and Seal Feature by packard enterprise
- **How much does it cost?** NT$2091 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/65312000-double-window-self-seal-security-envelopes-500-per-box-upgrade)

## Best For

- packard enterprise enthusiasts

## Why This Product

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

## Description

Upgrade to these premium quality double window envelopes. Easily fit and send out your QuickBooks invoices and statements. Avoid headaches and the taste of licking envelopes with our "press and seal" feature, and save even more time by not having to peel and then seal! Each box contains a long lasting supply of 500 envelopes! These envelopes contain high quality thick paper to ensure that your business mail will be secure. Any business owner would be happy to start using these today for their business needs!

## Features

- THE PERFECT ENVELOPE FOR SENDING YOUR INVOICES. These double window envelopes are designed to fit your invoices generated from QuickBooks or other similar business sites. Send out your billing statements, legal documents, checks, or other business mail as well!
- PREMIUM QUALITY EASY TO USE PRESS AND SEAL ENVELOPES. Send hundreds of invoices quickly! Save time by not having to lick envelopes and not having to peel and then seal! Simply press the string adhesive flap down for a long lasting seal and you are good to go!
- GREAT VALUE/BIG SUPPLY- Receive a long lasting supply of 500 envelopes and use for any of your home or office needs. Avoid having to buy more often than necessary and enjoy getting these envelopes in bulk.
- DOUBLE WINDOW DESIGN- Easily read postal addresses as they line up perfectly in the windows of the envelopes.
- BUSINESS MAIL SECURITY- Be confident in high quality thick envelopes that will keep private and sensitive information secure.

## Images

![Double Window Self Seal Security Envelopes-500 per box-Upgrade to Premium Quality and Save Time Using the Press and Seal Feature - Image 1](https://images-na.ssl-images-amazon.com/images/I/312v%2Bn5aOAL.jpg)
![Double Window Self Seal Security Envelopes-500 per box-Upgrade to Premium Quality and Save Time Using the Press and Seal Feature - Image 2](https://images-na.ssl-images-amazon.com/images/I/31w2ZUYCgxL.jpg)
![Double Window Self Seal Security Envelopes-500 per box-Upgrade to Premium Quality and Save Time Using the Press and Seal Feature - Image 3](https://images-na.ssl-images-amazon.com/images/I/41184hdDnML.jpg)
![Double Window Self Seal Security Envelopes-500 per box-Upgrade to Premium Quality and Save Time Using the Press and Seal Feature - Image 4](https://images-na.ssl-images-amazon.com/images/I/51aqRTnplcL.jpg)
![Double Window Self Seal Security Envelopes-500 per box-Upgrade to Premium Quality and Save Time Using the Press and Seal Feature - Image 5](https://images-na.ssl-images-amazon.com/images/I/41cGuZpg0gL.jpg)

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**Shop now:** [https://www.desertcart.tw/products/65312000-double-window-self-seal-security-envelopes-500-per-box-upgrade](https://www.desertcart.tw/products/65312000-double-window-self-seal-security-envelopes-500-per-box-upgrade)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-05-16*