These Notebooks are made from acid-free (ECF) paper & no rainforests are damaged during procurement. An extra large note book specially made for CBSE & ICSE students. The attractive cover designs. The strong & sturdy international style 3 pin binding with back pressing. Ensure pages are never getting loose, they are stay strong and last long. Good quality writing paper with Index page & an activity page (Puzzel for mind fresh). Detailed information about the cover design is given inside the book cover.