1. The inside is a transparent inner page, which can put A4 size data 2. Cartoon cover, beautiful and unique 3. Purpose: used to store works, materials, files, etc. 4. Material: plastic 5. Inside pages: 10/20/30/40/60 pages 6. Size: about 23x30.2 cm/book 7. Weight: 10 pages about 90g/book, 20 pages about 105g/book, 30 pages about 120g/book, 40 pages about 150g/book, 60 pages about 90g/book
