--- product_id: 291903649 title: "Columbian 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: "₹ 5529" currency: INR in_stock: true category: "Columbian" url: https://www.desertcart.in/products/291903649-columbian-9-x-12-security-envelopes-100-box-9-x store_origin: IN region: India --- # Oversized 9 x 12 inch dimensions Tamper-evident SimplySafe seal Security tinted interior blocks visibility Columbian 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:** ₹ 5529 **Availability:** ✅ In Stock ## Summary > 🔐 Seal your secrets with style and confidence! ## Quick Answers - **What is this?** Columbian 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?** ₹ 5529 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/291903649-columbian-9-x-12-security-envelopes-100-box-9-x) ## 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 - • **Unmatched Security:** Patented SimplySafe seal reveals any tampering instantly, keeping your sensitive documents safe and sound. - • **Oversized & Versatile:** Generous 9 x 12 inch size fits large documents, perfect for contracts, reports, and confidential files. - • **Privacy You Can Trust:** Heavyweight 28 lb paper with a scrambled blue security tint interior blocks prying eyes and protects your data. - • **Effortless Seal & Open:** Release & Seal peel strip ensures a clean, moisture-free closure; pull strip allows damage-free opening every time. - • **Bulk Ready for Professionals:** Box of 100 envelopes keeps your office stocked and ready for all critical mailings without last-minute runs. ## Overview Columbian 9 x 12 Security Envelopes come in a box of 100, featuring patented SimplySafe tamper-evident seals and a security tinted interior that obscures contents. Designed for oversized documents, these heavyweight 28 lb white envelopes use a peel-and-stick Release & Seal closure for quick, sanitary sealing without moisture. Ideal for professionals handling sensitive paperwork, they combine privacy, convenience, and durability in one trusted package. ## Description Columbian 9 x 12 SimplySafe Security Envelopes are ideal for mailing important documents or sending sensitive client information. Each security tinted envelope has a scrambled blue pattern printed on the interior that conceals the contents. The patented SimplySafe seal is constructed to show any signs of tampering. These mailing envelopes are still easy for the sender to close and the intended recipient to open. The Release & Seal strip peels right off so you can press to seal without any moisture. A pull strip makes opening the envelope straightforward and prevents you from tearing the documents inside. These self seal envelopes are inkjet printer compatible, though not recommended for a laser printer (use address labels instead). Stock up on 9" x 12" security envelopes for billing paperwork, tax documents, accounting records and more. Made from durable 28 lb paper. Overall envelope dimensions are 9 x 12 inches. White. Box of 100. ## 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 | |---------------|-------| | ASIN | B08TRNHQWP | | Additional Features | Security Tint, Self-Adhesive Closure | | Best Sellers Rank | #8,463 in Office Products ( See Top 100 in Office Products ) #9 in Catalog Mailing Envelopes | | Brand Name | Columbian | | Closure Type | Self-Seal | | Color | White | | Customer Reviews | 4.7 4.7 out of 5 stars (1,009) | | Item Dimensions L x W | 7"L x 3"W | | Item Shape | Rectangular | | Manufacturer | TOPS Products | | Material Type | Paper | | Model Name | COLO930 | | Number of Items | 100 | | Occasion | Professional/Confidential | | Occasion Type | Professional/Confidential | | Recommended Uses For Product | Security | | Size | 9 x 12 | | Style | Self Sealing | | UPC | 026900093003 | | Unit Count | 100 Count | ## Product Details - **Brand:** Columbian - **Closure Type:** Self-Seal - **Color:** White - **Material:** Paper - **Occasion:** Professional/Confidential ## Images ![Columbian 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, Number Of Items** 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/291903649-columbian-9-x-12-security-envelopes-100-box-9-x](https://www.desertcart.in/products/291903649-columbian-9-x-12-security-envelopes-100-box-9-x) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-10-12*