--- product_id: 289722251 title: "Expanding Accordion File Pockets, Extra Durable, Expands 3.5\", Letter Size, Reinforced with Dupont Tyvek Material, 10/Box (15421), Brown" brand: "pendaflex" price: "฿2445" currency: THB in_stock: true reviews_count: 13 category: "Pendaflex" url: https://www.desertcart.co.th/products/289722251-expanding-accordion-file-pockets-extra-durable-expands-3-5-letter store_origin: TH region: Thailand --- # 3.5" expansion capacity Holds up to 700 sheets Tyvek reinforced durability Expanding Accordion File Pockets, Extra Durable, Expands 3.5", Letter Size, Reinforced with Dupont Tyvek Material, 10/Box (15421), Brown **Brand:** pendaflex **Price:** ฿2445 **Availability:** ✅ In Stock ## Summary > 📁 Elevate your filing game—because your documents deserve the best! ## Quick Answers - **What is this?** Expanding Accordion File Pockets, Extra Durable, Expands 3.5", Letter Size, Reinforced with Dupont Tyvek Material, 10/Box (15421), Brown by pendaflex - **How much does it cost?** ฿2445 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/289722251-expanding-accordion-file-pockets-extra-durable-expands-3-5-letter) ## Best For - pendaflex enthusiasts ## Why This Product - Trusted pendaflex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Room to Grow:** Expands 3.5 inches to accommodate bulky files and large projects effortlessly. - • **Built to Last:** Triple Tyvek reinforcements at stress points ensure tear-resistant, long-lasting durability. - • **Eco-Smart Choice:** Made with 30% recycled and post-consumer fiber, combining sustainability with performance. - • **Effortless Access:** Front panel folds down for quick, open-top retrieval of documents—no more fumbling. - • **Professional Grade:** Trusted by lawyers, accountants, and educators for superior organization in any setting. ## Overview Pendaflex Expanding Accordion File Pockets offer a robust 3.5-inch expansion to hold up to 700 letter-size sheets. Reinforced with tear-resistant DuPont Tyvek material at three critical points, these durable file pockets provide long-lasting protection for bulky paperwork. Designed with double-thick manila lining and a fold-down front panel, they ensure easy access and secure storage. Ideal for professionals and home offices alike, these eco-conscious folders come in a convenient 10-pack, perfect for organizing manuals, legal documents, and more. ## Description Pendaflex Accordion File Pockets expand 3.5 inches to hold up to 700 sheets—perfect for home, small business, homeschool or classroom organization. Store a wide variety of bulky items like insurance policies, home inspections, manuals. user guides, court documents, case files, construction paper, coloring pages, arts and crafts and more. Protective 6-1/2" high expanding sides are reinforced along the top and bottom edges with durable Tyvek material to prevent wear and tear at key stress points extending the life of your pocket file folder. These straight-cut redrope pockets have double-thick manila lined panels and another Tyvek strip on the back panel along the fold for additional support. If your massive files put a strain on ordinary folders, consider this upgrade. The front panel folds down for easy, open-top access to whatever's inside. File pockets bring quick order to unorganized papers—keep them on a desktop, in a file drawer, or in a heavy duty file storage box. Pendaflex redrope pockets expand so big projects have room to grow along with high expanding sides to keep papers from falling out. These accordion files are made from 30% recycled fiber with 30% post consumer fiber. Letter Size. Front measures 9" x 11.75", back measures 9.5" x 14.15". 3.5" Expansion. Redrope. Box of 10. Tyvek is a trademark of DuPont used under license by TOPS Products LLC. Review: Pendaflex Expanding Accordion File Pockets - excellent quality, sturdy & flexible Review: Great Pocket Files - Pendaflex is a well-known, highly used file brand that I've used in many offices. These file pockets are substantial material and, as long as not over-filled, stay intact. Highly recommend. ## Features - Stock up on boxes of 10 file pockets for your home, small business, or law office—Pendaflex accordion folders expand 3-1/2" to store manuals, tax returns, court documents and other bulky paperwork - Straight tab redrope expanding files have double-thick manila lined panels that fold down for easy, open top access to letter size documents; durable enough for home or office organization - Each file pocket has 3 points of reinforcement made from tear-resistant Tyvek material: along the top and bottom edges of the gusseted expanding sides and along the back fold of the full length tab - The front of the expanding accordion organizer measures 9 inches x 11.75 inches, the back 9.5 inches x 11.75 inches with 6.5 inch high sides to keep papers, file folders and smaller items contained - A standby of lawyers, accountants and homeschool teachers, brown file pockets can help organize any home office—store in a file cabinet, file storage box or file drawer, or keep on a shelf or tabletop ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08QTWVWD8 | | Best Sellers Rank | #39,373 in Office Products ( See Top 100 in Office Products ) #145 in File Jackets & File Pockets | | Brand Name | Pendaflex | | Color | Brown | | Customer Reviews | 4.6 4.6 out of 5 stars (709) | | Fastener Capacity | 500 | | Item Dimensions L x W x Thickness | 12.25"L x 10.38"W x 4.12"Th | | Item Type Name | File Pocket | | Item Weight | 2.1 Pounds | | Manufacturer | TOPS Products | | Material Type | Paper | | Number Of Pockets | 1 | | Paper Size | 8.5 x 11 | | Style | File Pocket | | Tab Cut | Straight | | Tab Position | Top | | UPC | 078787154216 | | Unit Count | 10.0 Count | ## Product Details - **Brand:** Pendaflex - **Color:** Brown - **Material:** Paper - **Sheet Size:** 8.5 x 11 - **Style:** File Pocket ## Images ![Expanding Accordion File Pockets, Extra Durable, Expands 3.5", Letter Size, Reinforced with Dupont Tyvek Material, 10/Box (15421), Brown - Image 1](https://m.media-amazon.com/images/I/61apL2iIpeL.jpg) ## Available Options This product comes in different **Pattern** options. ## Questions & Answers **Q: will letter-size manilla file folders fit inside?** A: Yes, they do. I use these to group items instead of hanging folders. You can actually fit more into your file drawer neatly and then easy to pull out and go through. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Pendaflex Expanding Accordion File Pockets *by B***R on November 25, 2025* excellent quality, sturdy & flexible ### ⭐⭐⭐⭐⭐ Great Pocket Files *by B***R on February 8, 2025* Pendaflex is a well-known, highly used file brand that I've used in many offices. These file pockets are substantial material and, as long as not over-filled, stay intact. Highly recommend. ### ⭐⭐⭐⭐ Works well and seem sturdy. *by G***. on October 8, 2023* Nice price, medium quality, great size for my projects. ## Frequently Bought Together - Pendaflex Expanding Accordion File Pockets, Extra Durable, Expands 3.5", Letter Size, Reinforced with Dupont Tyvek Material, 10/Box (15421), Brown - Pendaflex Expanding File Pockets, Letter Size, 5.25" Expansion, Reinforced with DuPont™ Tyvek® Material, Letter Size, Redrope, 10 Per Box (1534G-OX) - 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.co.th/products/289722251-expanding-accordion-file-pockets-extra-durable-expands-3-5-letter](https://www.desertcart.co.th/products/289722251-expanding-accordion-file-pockets-extra-durable-expands-3-5-letter) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-30*