--- product_id: 502329473 title: "#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack" brand: "herkka" price: "€ 124.45" currency: EUR in_stock: true category: "Herkka" url: https://www.desertcart.be/products/502329473-10-security-self-seal-envelopes-no-10-windowless-bussiness-envelopes store_origin: BE region: Belgium --- # Standard #10 size fits all business needs Premium security tint blocks prying eyes Printer-friendly, compatible with inkjet & laser #10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack **Brand:** herkka **Price:** € 124.45 **Availability:** ✅ In Stock ## Summary > 🔐 Seal your success with security and style! ## Quick Answers - **What is this?** #10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack by herkka - **How much does it cost?** € 124.45 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/502329473-10-security-self-seal-envelopes-no-10-windowless-bussiness-envelopes) ## Best For - herkka enthusiasts ## Why This Product - Trusted herkka brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Privacy You Can Trust:** Dark navy security tint inside envelopes guarantees sensitive info stays confidential and unseen. - • **Unbreakable Seal Confidence:** Peel & Seal closure with ultra-strong adhesive ensures your documents stay secure—no moisture, no fuss. - • **Bulk Supply for Business Flow:** 500 envelopes per pack means you’re always ready for high-volume correspondence without running out. - • **Seamless Printer Compatibility:** Works flawlessly with most inkjet and laser printers for fast, professional addressing every time. - • **Effortless Professional Mailing:** Windowless, blank design perfect for custom addressing or labels—ideal for mass mailings and bulk office use. ## Overview HERKKA #10 Security Self-Seal Envelopes offer a premium privacy solution with a dark navy security tint and ultra-strong peel & seal adhesive. Sized at 4-1/8 x 9-1/2 inches, these 24 LB windowless envelopes come in a bulk 500-pack, designed for professional, printer-friendly use in high-volume business mailing and confidential document handling. ## Description desertcart.com : #10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack : Office Products ## Features - 500 PACK SELF SEAL BUSSINESS ENVELOPES：HERKKA #10 Security envelopes are designed with Peel & Seal closure—no moisture needed and a premium security tint to protect sensitive information and a super strong SELF-SEAL strip. Suitable for home or office; securely send checks, invoices, or other confidential documents - PREMIUM SECURITY TINT PATTERN: The interior of our #10 Security envelopes use a dark navy, heavy coverage security tint to provide the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy - SUITABLE FOR CHECK PRINTING DESIGN: HERKKA envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless blank design allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office. Suitable for quick, mass business mailings - EASY SEAL CLOSURE: Our #10 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing for any letter sized and larger documents without splitting - LONG LASTING SUPPLY: Large sized envelopes and 500 envelopes in every pack for a long lasting supply, suitable for everyday business correspondence and large mailing tasks! Fully compatible with most ink jet and laser printers for quick and easy addressing ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BD4DHJLP | | Best Sellers Rank | #55,840 in Office Products ( See Top 100 in Office Products ) #160 in Business Mailing Envelopes | | Brand | HERKKA | | Brand Name | HERKKA | | Closure Type | Self-Seal | | Color | Black | | Customer Reviews | 4.7 out of 5 stars 326 Reviews | | Item Dimensions L x W | 9.5"L x 4.13"W | | Item Shape | Rectangular | | Manufacturer | HERKKA | | Material | Paper | | Material Type | Paper | | Number of Items | 500 | | Occasion | Business | | Occasion Type | home, office | | Recommended Uses For Product | Security | | Size | 4 1/8 x 9 ½ inches | | Style | Security Tinted | | Unit Count | 500 Count | ## Product Details - **Brand:** HERKKA - **Color:** Black - **Closure Type:** Self-Seal - **Material:** Paper - **Number of Items:** 500 ## Images ![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 1](https://m.media-amazon.com/images/I/6121tRmtR+L.jpg) ![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 2](https://m.media-amazon.com/images/I/61u-FJLaaYL.jpg) ![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 3](https://m.media-amazon.com/images/I/61JwMk1A5XL.jpg) ![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 4](https://m.media-amazon.com/images/I/5150jKsvMZL.jpg) ![#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Image 5](https://m.media-amazon.com/images/I/51duuQyJNnL.jpg) ## Frequently Bought Together - #10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack - Oxford Index Cards, Index Cards, Blank on Both Sides, White, Cards (40177), 4x6,100 Count (Pack of 5) - Amazon Basics Blank 1000 Index Cards, 500 Count (Pack of 2), White, 4'' x 6'' --- ## 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.be/products/502329473-10-security-self-seal-envelopes-no-10-windowless-bussiness-envelopes](https://www.desertcart.be/products/502329473-10-security-self-seal-envelopes-no-10-windowless-bussiness-envelopes) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-31*