--- product_id: 39610415 title: "Blue Summit Supplies 500#10 Windowless Security Envelopes, Self Seal" brand: "blue summit supplies" price: "VT25408" currency: VUV in_stock: true category: "Blue Summit Supplies" url: https://www.desertcart.vu/products/39610415-blue-summit-supplies-500-10-windowless-security-envelopes-self-seal store_origin: VU region: Vanuatu --- # Peel & seal fast closure Standard #10 size (4.13" x 9.5") Black security tint for privacy Blue Summit Supplies 500#10 Windowless Security Envelopes, Self Seal **Brand:** blue summit supplies **Price:** VT25408 **Availability:** ✅ In Stock ## Summary > 📬 Seal your success with every send — security and speed in one sleek envelope! ## Quick Answers - **What is this?** Blue Summit Supplies 500#10 Windowless Security Envelopes, Self Seal by blue summit supplies - **How much does it cost?** VT25408 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/39610415-blue-summit-supplies-500-10-windowless-security-envelopes-self-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 - • **Reliable 500-Count Supply:** Keep your office stocked with a generous box designed for ongoing business correspondence and outreach. - • **Confidentiality You Can Trust:** Black interior tint blocks prying eyes, safeguarding sensitive documents like payroll and invoices. - • **Effortless Bulk Mailing Workflow:** Peel-and-seal adhesive eliminates moisture and mess, accelerating high-volume prep with a secure closure. - • **Printer-Friendly, Jam-Resistant Design:** Smooth 24lb white paper feeds flawlessly through standard printers, optimizing large mailing runs. - • **Perfectly Sized for Professional Mailings:** Fits standard 8.5" x 11" sheets folded for seamless insertion and consistent presentation. ## Overview Blue Summit Supplies 500-count #10 windowless security envelopes combine professional sizing, a black privacy tint, and a peel-and-seal closure to streamline bulk mailing workflows while protecting sensitive information. Crafted from smooth 24lb white paper, these envelopes are printer-friendly and ideal for businesses seeking reliable, confidential, and efficient mailing solutions. ## Description desertcart.com : Blue Summit Supplies 500#10 Windowless Security Envelopes, Self Seal | 4 1/8 x 9 1/2 in, Security Tint, No Window, Peel and Seal, for Letters, Invoices, Statements, Mailings : Office Products ## Features - Envelopes #10 Size For Letters And Forms – Businesses, offices, and individuals sending letters and documents use these plain self sealing #10 envelopes measuring 4-1/8 x 9-1/2 inches, which fit 8-1/2 x 11 sheets folded for consistent insertion during mailing workflows. - #10 Envelopes Self Seal with Fast Peel and Seal Workflow – Offices, churches, and organizations handling bulk mailings use these #10 self seal envelopes with an easy to use peel and stick strip and permanent adhesive that creates a secure closure quickly without moisture, improving speed and reducing mess during high-volume prep. - #10 Security Envelopes Peel and Seal with Black Privacy Tint For Sensitive Mail – Businesses and individuals mailing checks, payroll notes, and confidential documents use these security envelopes with a printed interior tint that helps reduce read-through and protect sensitive information during safe transit. - Blank White Envelopes, Letter Size, for Printer-Friendly Feeding – Offices and mailrooms printing addresses use these security envelopes #10 made from 24lb white paper that feeds smoothly through standard printers, helping reduce jams during large mailing runs such as statements, flyers, and outreach letters. - 500-Count Box For Ongoing Mailings – Businesses, organizations, and households use this 500-count pack of commercial number 10 windowless envelopes to maintain a dependable supply for invoices, correspondence, outreach mail, and recurring bulk mailing workflows. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01N175R8R | | Additional Features | Peel and Seal, Security Tint | | Best Sellers Rank | #35,474 in Office Products ( See Top 100 in Office Products ) #114 in Business Mailing Envelopes | | Brand | Blue Summit Supplies | | Brand Name | Blue Summit Supplies | | Closure Type | PEEL & SEAL | | Color | White | | Customer Reviews | 4.7 out of 5 stars 2,336 Reviews | | Item Dimensions L x W | 9.5"L x 4.13"W | | Item Shape | Rectangular | | Manufacturer | Blue Summit Supplies | | Material | Paper | | Material Type | Paper | | Number of Items | 500 | | Occasion | Business, Letters | | Occasion Type | Business Mail | | Recommended Uses For Product | Security | | Size | 500 Pack | Standard No. 10 | | Style | Security | | UPC | 865181000375 | | Unit Count | 500 Count | ## Product Details - **Brand:** Blue Summit Supplies - **Closure Type:** Self-Seal - **Color:** White - **Material:** Paper - **Occasion:** Business, Letters ## Images ![Blue Summit Supplies 500#10 Windowless Security Envelopes, Self Seal - Image 1](https://m.media-amazon.com/images/I/71zkuWaItLL.jpg) ![Blue Summit Supplies 500#10 Windowless Security Envelopes, Self Seal - Image 2](https://m.media-amazon.com/images/I/8187FFy1Q3L.jpg) ![Blue Summit Supplies 500#10 Windowless Security Envelopes, Self Seal - Image 3](https://m.media-amazon.com/images/I/81q6jVALXOL.jpg) ![Blue Summit Supplies 500#10 Windowless Security Envelopes, Self Seal - Image 4](https://m.media-amazon.com/images/I/71C5NW2LcsL.jpg) ![Blue Summit Supplies 500#10 Windowless Security Envelopes, Self Seal - Image 5](https://m.media-amazon.com/images/I/81DUFyqR3DL.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) --- ## 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.vu/products/39610415-blue-summit-supplies-500-10-windowless-security-envelopes-self-seal](https://www.desertcart.vu/products/39610415-blue-summit-supplies-500-10-windowless-security-envelopes-self-seal) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-09-17*