File Folders descriptions We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Envelope Storage Pouch Holder, Paper Document File Organizer Bag With Snap. Features: Made of PP Plastic Material, Comfortable Touch. Surface Waterproof Design, Protect Your Files Well. With Snap Button Closure, Convenient to Use. A3/A4/B5/A5 Size for Your Option, Easy to Store Your Bills, Documents, Files, Etc. Simple and Elegant Appearance, Easy to Carry. Ideal for Home, Office, School, Travel, Business Trip Use. Specifications: Material: PP Size: A3/A4/B5/A5(optional) Package Size: A3: 44.0 * 32.0 * 0.3cm / 17.3 * 12.6 * 0.1in A4: 32.0 * 23.0 * 0.3cm / 12.6 * 9.1 * 0.1in B5: 26.0 * 19.0 * 0.3cm / 10.2 * 7.5 * 0.1in A5: 23.0 * 17.0 * 0.3cm / 9.1 * 6.7 * 0.1in Weight: A3: 120g / 4.2oz A4: 64g / 2.3oz B5: 43g / 1.5oz A5: 35g / 1.2oz Package Includes: 1 * Envelope Folder . Products number : SOMONO81480