---
product_id: 39610415
title: "500#10 Windowless Security Envelopes Self Seal, Peel and Seal, Security Tinted, Printer Friendly Design for Business, Dimensions - 4-1/8 Inch x 9 ½ Inch - Envelopes Letter Size for Mailing"
brand: "blue summit supplies"
price: "€ 115.37"
currency: EUR
in_stock: true
category: "Blue Summit Supplies"
url: https://www.desertcart.gr/products/39610415-500-10-windowless-security-envelopes-self-seal-peel-and-seal
store_origin: GR
region: Greece
---

# 4.125 x 9.5 inch perfect fit Black security tint blocks prying eyes Self-seal peel & stick closure 500#10 Windowless Security Envelopes Self Seal, Peel and Seal, Security Tinted, Printer Friendly Design for Business, Dimensions - 4-1/8 Inch x 9 ½ Inch - Envelopes Letter Size for Mailing

**Brand:** blue summit supplies
**Price:** € 115.37
**Availability:** ✅ In Stock

## Summary

> 📬 Seal your success with style and security!

## Quick Answers

- **What is this?** 500#10 Windowless Security Envelopes Self Seal, Peel and Seal, Security Tinted, Printer Friendly Design for Business, Dimensions - 4-1/8 Inch x 9 ½ Inch - Envelopes Letter Size for Mailing by blue summit supplies
- **How much does it cost?** € 115.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/39610415-500-10-windowless-security-envelopes-self-seal-peel-and-seal)

## Best For

- blue summit supplies enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Sealing:** Peel and seal design locks securely—no tape, no mess.
- • **Privacy You Can Trust:** Dark security tint ensures confidential contents stay hidden.
- • **Durable & Professional:** 24 LB thick white wove paper keeps your mail looking sharp in transit.
- • **Printer-Ready Smoothness:** Laser & inkjet friendly for crisp, professional prints every time.
- • **Tailored for Standard Docs:** Fits 8.5” x 11” papers flawlessly—no folding drama.

## Overview

These 500 windowless security envelopes measure 4.125 x 9.5 inches, perfectly fitting standard letter-size documents. Featuring a dark black security tint, they guarantee privacy by obscuring contents. The self-seal peel-and-stick closure ensures quick, reliable sealing without extra adhesives. Made from durable 24 LB white wove paper, they are printer-friendly and maintain a professional appearance throughout mailing.

## Description

desertcart.com : 500#10 Windowless Security Envelopes Self Seal, Peel and Seal, Security Tinted, Printer Friendly Design for Business, Dimensions - 4-1/8 Inch x 9 ½ Inch - Envelopes Letter Size for Mailing : Office Products

## Features

- Perfectly fit standard 8.5’’ x 11’’ paper sizes and other large documents like invoices, letters, checks, and more
- Provides complete mail security with dark black security tint that completely hides you mail
- Self seal design that is quick and easy and guaranteed to stay sealed with no need for tape or glue sticks
- Printer friendly envelopes with smooth thick paper saves time and frustration while printing with laser or inkjet printers
- Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Blue Summit Supplies |
| Brand | Blue Summit Supplies |
| Item Weight | 6.23 pounds |
| Product Dimensions | 8 x 4 x 0.01 inches |
| Item model number | BSS-92588-009 |
| Is Discontinued By Manufacturer | No |
| Color | White |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Paper |
| Number of Items | 500 |
| Size | 500 Count |
| Sheet Size | 4.125 x 9.5 Inches |
| Manufacturer Part Number | BSS-92588-009 |

## Product Details

- **Brand:** Blue Summit Supplies
- **Closure Type:** Self-Seal
- **Color:** White
- **Material:** Paper
- **Occasion:** everyday mailing

## Images

![500#10 Windowless Security Envelopes Self Seal, Peel and Seal, Security Tinted, Printer Friendly Design for Business, Dimensions - 4-1/8 Inch x 9 ½ Inch - Envelopes Letter Size for Mailing - Image 1](https://m.media-amazon.com/images/I/71zkuWaItLL.jpg)

## Available Options

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

## Frequently Bought Together

- 500#10 Windowless Security Envelopes Self Seal, Peel and Seal, Security Tinted, Printer Friendly Design for Business, Dimensions - 4-1/8 Inch x 9 ½ Inch - Envelopes Letter Size for Mailing
- Amazon Basics Multipurpose Copy Printer Paper, 8.5" x 11", 20 lb, 10 Reams, 5000 Sheets, 92 Bright, White
- Avery Easy Peel Printable Address Labels with Sure Feed, 1" x 2-5/8" Customizable Stickers, White, 3,000 Blank Mailing Labels, Great for Mailing, Shipping, and More (5160)

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**Shop now:** [https://www.desertcart.gr/products/39610415-500-10-windowless-security-envelopes-self-seal-peel-and-seal](https://www.desertcart.gr/products/39610415-500-10-windowless-security-envelopes-self-seal-peel-and-seal)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-04-26*