Features: 1.PREMIUM AND DURABLE. This expending file folder is made out of durable ABS material with waterproof and tear-resistant trait to protect your documents from getting wet and damage. 2.LARGE SIZE. Length 33, Height 23.5cm (12.99x9.26inches), max expending size 39cm/15.35in. Multi-grids, fit for All A4 Size and Letter Size files and documents. Suitable for daily filing and storing of documents. 3.LABEL DESIGN.The accordion file folder designed with labels. There is a label on the top of each pocket. Conveniently mark the subject or category with stickers/marker pens and easy to review. 5.WIDELY USAGE. Perfect for kids, students, office, works as school file organizer or school years file keeper, etc. Specification: Material: PP Color: Black; Pink; Light Blue; Transparent ClosureBuckle Max Expending Size:39cm/15.35in Size: Approx. 33x23.5cm/12.99x9.26in Weight: Approx. 300g Package Includes: 1 Piece Expending File Folder note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.