12x9 Presentation Book: Folio document organizer with 40 bound (non-refillable) top-loading plastic sleeves. Folder binder is able to organize, store and present 80 pages of no hole punched projects, reports. The outer dimension of this document binder are 12.09 x 9.13 x 1 inches (307 x 232 x 26 mm), cover thickness is 0.04 inches (1 mm). Plastic Sleeves measured with 8 3/4'' x 11 3/4“ and thickness is 0.05mm, suitable for all A4 and US letter size paper. Color Tag Cover and Spine: We also offer many different bright colored document binder to facilitate your work or study. This Kokuyo clear book not only allows you to customize the side labels to identify your projects, but also allows you to directly distinguish projects in multiple folders by different colors. High Transparency & Lay Flat: The portfolio presentation book has crystal clear PP sheet protectors, which offers excellent transparency for reading and presenting. Even with a small amount of paper filled, the file folder can easily lie flat on the table. Long-term storage: The file organizer comes with an archival-grade acid-free plastic sleeve, which is non-stick, anti-glare and waterproof. You can preserve your artwork and documents for a long time. Each pocket inside the folder can hold approximately 8-10 sheets of paper. Widespread Use: Not only suitable for long-term storage of documents, but also for displaying your paintings, sheet music, drawings, recipes. A great gift for students, teachers, office staff, secretaries, musicians, painters, etc. 12x9 Presentation Book: Folio document organizer with 40 bound (non-refillable) top-loading plastic sleeves. Folder binder is able to organize, store and present 80 pages of no hole punched projects, reports. The outer dimension of this document binder are 12.09 x 9.13 x 1 inches (307 x 232 x 26 mm), cover thickness is 0.04 inches (1 mm). Plastic Sleeves measured with 8 3/4'' x 11 3/4“ and thickness is 0.05mm, suitable for all A4 and US letter size paper.