Best A3 File Folders of 2025

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A3 file folders are an essential item for anyone who needs to organise and store large documents. These folders are designed to hold paper that is larger than the standard A4 size, making them ideal for architects, designers, and artists who need to store their drawings and plans. The folders come in a range of colours and materials, from basic cardboard to more durable plastic and polypropylene options. They are an affordable and practical way to keep important documents organised and protected, and we highly recommend them for anyone who needs to store large files.
At a Glance: Our Top Picks
Top 10 A3 File Folders
eco-eco A3 Recycled 20 Pocket Display Book
The eco-eco A3 Display Book is designed for those who need an efficient way to organise documents. Its strong black 700 micron cover features a clear sleeve on the front, allowing you to personalise the presentation. Inside, there’s an additional storage pocket for loose items, ensuring everything stays in one place. The display book contains 20 pages that securely hold A3 documents, making it perfect for multi-purpose filing. With acid-free, glass-clear pages, your important documents will be protected while remaining easy to view.
Exacompta Elasticated A3 3-Flap Folder
The Exacompta A3 Folder is an ideal choice for anyone looking to store and transport artwork effectively. Its A3 size makes it perfect for holding sketches, drawings, and plans, providing ample space for your creative work. Made from 600 gsm glossy card, this folder offers durability while maintaining a professional look. Being eco-friendly and FSC certified, it also aligns with environmentally conscious choices. You will find it very easy to use, allowing you to organise and protect your documents effortlessly.
eco-eco A3 50% Recycled Presentation Book
The eco-eco A3 Display Book is designed with a robust black 700 micron cover that provides excellent protection for your documents. It features a clear pocket inside the front cover, perfect for storing loose items and important papers. With 20 pages, giving you 40 sides to view, this display book is ideal for keeping your work organised. Made from 50% recycled materials, it also contributes to a more sustainable environment, as both the product and packaging are fully recyclable.
HERMA 19513 A3 Translucent Folder Set
The HERMA A3 Folder Set is designed for durability and convenience. Made from slightly transparent, sturdy plastic, these folders allow you to easily view the contents while protecting your documents. They feature high-quality corner tensioners, perfect for securing both small and large drawings, ensuring your work stays neatly in place. Ideal for various settings, such as school or home, these folders help you keep your documents organised and accessible, making your daily tasks more efficient.
eco-eco A3 50% Recycled Press Stud Wallets
The eco-eco Press Stud Wallets are strong A3 size folders, perfect for home, office, or professional use. With a press stud closure, you can securely store your A3 documents, ensuring they stay organised and protected. The smooth finish offers clear visibility, making it easy to identify your contents at a glance. Made from 50% recycled materials, these wallets are a responsible choice for environmentally conscious users.
Exacompta Plastic Art Case for A3 Documents
The Exacompta Art Case is designed to hold A3 sized documents securely. Measuring 310 x 430 mm, it provides ample space for your important papers, making it ideal for artists and professionals alike. The rigid handle offers easy transport, allowing you to carry your documents with confidence. Additionally, the strap closure helps keep everything secure when not in use, protecting your documents from damage or loss. This combination of features ensures that your materials remain organised and accessible.
A3 Zip Lock Document Wallets - 12 Pcs
The WENGX A3 Zip Folders are designed to keep your documents safe and organised. Each folder measures 43 x 31 cm, providing ample space for papers and drawing materials. Made from thickened mesh material, these waterproof zipper pouches protect your items from moisture and damage. The wear-resistant PVC construction ensures longevity, while the smooth metal zipper allows for easy access. With these folders, you can streamline your filing, storage, and presentations, making them perfect for both school and office use.
Tiger A3 Clear Plastic Document Wallets (Pack of 5)
The Tiger A3 Document Wallets are designed for superior quality and convenience, making them ideal for storing your work documents safely. Their transparent design allows you to easily see the contents, saving you time during searches. Made from durable 200 micron polypropylene, these wallets provide excellent strength, ensuring your important papers are well protected. Available in three sizes, including A3, A4, and A5, you can choose the perfect fit for your needs, making organisation effortless.
Pentel A3 Presentation Folder with 20 Pockets
The Pentel A3 Presentation Folder is designed to hold up to 40 A3 sheets with its 20 pockets, making it ideal for organising important documents. Its non-staining matt surface ensures that your folder looks professional and clean, while also preventing marks and scratches. As a Pentel Recycology product, it is made from at least 50% recycled materials, allowing you to make an eco-friendly choice. This folder is perfect for anyone who values both functionality and sustainability in their office supplies.
Umriox A3 Extra Thick Zipper File Bags
The Umriox A3 Zip Bags are a practical solution for your organisational needs. This package includes five vibrant zip file bags, each measuring approximately 430 x 315 mm, perfect for storing A3 documents, papers, and even cosmetics. Made from high-quality, waterproof PVC mesh, these bags are designed to last. Their upgraded thickness ensures durability, while the translucent design allows you to easily see contents without opening the bags. The humanised design features a soft material that bends easily for convenient storage when not in use.
Frequently Asked Questions (FAQs)
1. What size is an A3 folder?
A3 sized folders allow you to keep your documents organised while simultaneously exuding your company's professional image. Through their large size of 297 x 420 mm, they offer plenty of space to advertise your brand, your events or even your current deals.
2. Is there an A4 size folder?
A4 folders are the most common size you will find, as they allow you to protect and organise documents of any type, from A4 to any lower size. A4 presentation folders measure 210 x 297mm and will come in handy for any business or any event.
During our a3 file folder research, we found 152 a3 file folder products and shortlisted 10 quality products. We collected and analyzed 44,444 customer reviews through our big data system to write the a3 file folders list. We found that most customers choose a3 file folders with an average price of £12.09.
The a3 file folders are available for purchase. We have researched hundreds of brands and picked the top brands of a3 file folders, including eco-eco, Exacompta, HERMA, WENGX, Tiger.

Jordan Akthar owns one stationery store in Bradford, and another in Derby. He started with a corner bookshop, and now the rest is history. He is often found in his stores taking count of inventories of books and stationery. Jordan also likes to write, and this drove his passion for writing articles on stationery maintenance. He owns a blog, where in his free time, he would write DIY tips on how you can recycle and refine your stationeries.