--- product_id: 517090564 title: "#10 Security Envelopes, 500 Pack, Self Seal Envelopes for Home, School, and Business Mailings, No Window, 4-1/8 x 9-1/2 Inches, Durable 24 lb White Paper" brand: "columbian" price: "1061 kr" currency: NOK in_stock: true category: "Columbian" url: https://www.desertcart.no/products/517090564-10-security-envelopes-500-pack-self-seal-envelopes-for-home store_origin: NO region: Norway --- # Self-seal peel & press closure Standard #10 size (4.13 x 9.5 in) Blue security tint blocks visibility #10 Security Envelopes, 500 Pack, Self Seal Envelopes for Home, School, and Business Mailings, No Window, 4-1/8 x 9-1/2 Inches, Durable 24 lb White Paper **Brand:** columbian **Price:** 1061 kr **Availability:** βœ… In Stock ## Summary > πŸ“¬ Seal Success with Every Send β€” Secure, Sleek, and Stress-Free! ## Quick Answers - **What is this?** #10 Security Envelopes, 500 Pack, Self Seal Envelopes for Home, School, and Business Mailings, No Window, 4-1/8 x 9-1/2 Inches, Durable 24 lb White Paper by columbian - **How much does it cost?** 1061 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/517090564-10-security-envelopes-500-pack-self-seal-envelopes-for-home) ## 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 - β€’ **Confidentiality You Can Trust:** Blue security tint with safety pattern ensures sensitive info stays private, even under light scrutiny. - β€’ **Effortless Sealing, Zero Mess:** Peel-and-press self-seal closure saves time and keeps your workspace cleanβ€”no licking required. - β€’ **Premium Durability & Presentation:** Thick 24 lb white wove paper with side seams delivers a crisp, high-quality look that impresses clients. - β€’ **Bulk Supply for Consistent Efficiency:** 500-pack bulk value keeps your office or home stocked and ready for all mailing needs without interruption. - β€’ **Perfect Fit for Professional Mailings:** Standard #10 size fits letter documents folded into thirds for seamless business correspondence. ## Overview Columbian #10 Security Envelopes offer a professional-grade mailing solution with a standard size ideal for folded letter documents. Featuring a blue security tint and safety pattern, these envelopes protect confidential contents from prying eyes. The convenient self-seal adhesive closure streamlines your mailing process, while the durable 24 lb white paper ensures a polished presentation. Supplied in a bulk 500-pack, they are perfect for offices, schools, and home use where security and efficiency matter. ## Description Columbian #10 Business Envelopes are a great all-purpose solution for mailing letter-sized business documents. Designed for everyday office use, these standard white envelopes are ideal for correspondence, invoices, statements, checks, and marketing materials. Measuring 4-1/8\" x 9-1/2\", they comfortably fit standard 8-1/2\" x 11\" sheets folded into thirds.\n\nEach self seal envelope is made from durable 24 lb white wove paper, offering a professional look that reflects well on businesses and schools. A blue security tint with an interior safety pattern helps block visibility through the paper, protecting sensitive information from being read during handling or delivery. The plain front, no window design provides flexibility for a wide range of mailing needs, from correspondence to promotional materials. The peel-and-press adhesive strip creates a strong, reliable seal without moisture, helping keep hands, desks, and mailroom workflows clean and efficient. Beyond mailing, these envelopes are also commonly used as cash budgeting envelopes for organizing spending categories, sinking funds, or savings systems at home or in small offices.\n\nPackaged with 500 envelopes per box, Columbian #10 Self Seal Envelopes are a dependable, never-out essential for offices, small businesses, and households that value security, convenience, and organization in their daily mailing tasks. (Manufacturer Item Number: COLO151) ## Features - VERSATILE #10 BUSINESS ENVELOPES: Standard #10 size (4-1/8 x 9-1/2 inches) is ideal for mailing letter-sized documents folded into thirds, including invoices, statements, business letters, forms, and more - SECURE MAILING ENVELOPES: A blue security tint with safety pattern blocks visibility, helping safeguard confidential information from prying eyes, even when held up to light - SAVE TIME WITH SELF SEAL ENVELOPES: The Release & Seal self-seal closure lets you peel and press for a strong seal, eliminating the need to lick envelopes or use wet sponges - PRESENT A PROFESSIONAL IMAGE: Thick 24 lb white wove paper with side seams creates a crisp, high-quality windowless envelope that reflects well on your business and holds up in transit - BULK VALUE PACK: Stock up on 500 security envelopes that keep offices, small businesses, schools and homes stocked and ready for consistent mailing needs ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BVBQR3L4 | | Additional Features | Security Tint, Self-Adhesive Closure | | Best Sellers Rank | #2,120 in Office Products ( See Top 100 in Office Products ) #13 in Business Mailing Envelopes | | Brand Name | Columbian | | Closure Type | Self-Seal | | Color | White | | Customer Reviews | 4.8 4.8 out of 5 stars (1,551) | | Item Dimensions L x W | 9.5"L x 4.13"W | | Item Shape | Rectangular | | Manufacturer | TOPS Products | | Material Type | Paper | | Model Name | COLO151 | | Number of Items | 500 | | Occasion Type | Home | | Recommended Uses For Product | Security | | Size | 500 Count | | Style | Classic | | UPC | 026900561519 | | Unit Count | 1 Count | ## Product Details - **Brand:** Columbian - **Closure Type:** Self-Seal - **Color:** White - **Material:** Paper - **Number of Items:** 500 ## Images ![#10 Security Envelopes, 500 Pack, Self Seal Envelopes for Home, School, and Business Mailings, No Window, 4-1/8 x 9-1/2 Inches, Durable 24 lb White Paper - Image 1](https://m.media-amazon.com/images/I/719vktv+1wL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Columbian #10 Security Envelopes, 500/Box, No Window, 4-1/8 x 9-1/2 Inches, Release & Seal Self Seal, White (COLO151) - Amazon Basics Blank 1000 Index Cards, 500 Count (Pack of 2), White, 4'' x 6'' - Oxford Index Cards, 3 x 5 Inches, White, Blank Notecards, Flashcards for School and Studying, Bulk Pack of Note Cards, 500 Count (5 Packs of 100) (40175) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/517090564-10-security-envelopes-500-pack-self-seal-envelopes-for-home](https://www.desertcart.no/products/517090564-10-security-envelopes-500-pack-self-seal-envelopes-for-home) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-26*