| Manufacturer | TOPS Products |
|---|---|
| Place of Business | WARRENVILLE, IL, 60555 US |
| Brand | Columbian |
| Model number | COLO166 |
| Colour | White |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Paper |
| Number of Items | 500 |
| Size | #9 |
| Sheet Size | 3-7/8 x 8-7/8 |
| Manufacturer Part Number | COLO166 |
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Columbian Envelopes, #9 Double Window Security, 500 Per Box, SimplySafe Tamper Evident, Pull Strip, Peel and Seal, White, 3-7/8" x 8-7/8" for Invoices and Statements
Purchase options and add-ons
| Brand | Columbian |
| Colour | White |
| Closure type | Self-Seal |
| Occasion | RM |
| Material | Paper |
About this item
- DOUBLE-WINDOW DESIGN – Displays both sender and recipient addresses clearly without the need for extra labels, ideal for billing, statements, and invoices.
- SECURITY-TINTED INTERIOR – Features a scrambled blue pattern that obscures sensitive information to protect privacy during mailing.
- SIMPLYSAFE TAMPER-EVIDENT SEAL – Patented closure shows visible signs of tampering, ensuring your mail stays secure until it reaches the recipient.
- PEEL & SEAL CLOSURE WITH PULL STRIP – Release & Seal strip allows quick, moisture-free sealing; pull tab makes opening easy without damaging contents.
- BULK 500-PACK – Durable 24 lb white wove envelopes with side seams for a smooth, professional look; a smart stock-up choice for offices, schools, and businesses.
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Additional Information
| ASIN | B07VGNSLLN |
|---|---|
| Customer Reviews |
4.5 out of 5 stars |
| 鶹 Rank |
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| Date First Available | July 19 2019 |
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Product description
Columbian #9 Double-Window Security Envelopes combine convenience, professionalism, and protection for your most important mailings. Measuring 3-7/8" x 8-7/8", these envelopes feature two precisely placed windows that clearly display both sender and recipient addresses—perfect for invoices, statements, and business correspondence. The interior is printed with a scrambled blue security tint to keep contents confidential. Each envelope includes the patented SimplySafe tamper-evident seal, which provides visible proof if opened before delivery. The Release & Seal strip allows for fast, moisture-free sealing, while the pull strip ensures easy opening without tearing important documents inside. Crafted from durable 24 lb white wove paper with side seams for a smooth back panel, these envelopes present a polished, professional appearance. The bulk box of 500 makes them a cost-effective and essential choice for small businesses, offices, and organizations that send high volumes of mail.
From the manufacturer
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TOPS Products makes the tools you need to learn, plan and grow, from your first day of school to your first job or business.
Our consumer-recognizable brands offer solutions designed to keep you organized, efficient and creative in all areas of your life, from school to your office.













