These longbooks are made from acid-free (ECF) paper & no rainforests are damaged during procurement. The strong & sturdy international style 3 pin binding with back pressing. Ensure pages are never getting loose, they are stay strong and last long. These longbooks have a brown colour cover with label & laminated, especially for school so that additional covering with brown paper is not needed. Good quality writing paper with Index page & an activity page (Puzzel for mind fresh). 100 year calendar & schedule provided on inside cover pages and brown colour cover with label.