Amazon Basics Classic Notebook, Grid Ruled, A5 Slim

This 240-page gridded notebook can be used for calculations, list-making, and brainstorming. It uses acid-free paper, also used for official documents, making it resistant to deterioration from light and air. It comes with a bookmark string. An elastic band keeps the notebook securely closed. It also has an expandable inner pocket. The front and back covers are sturdy, preventing pages from wrinkling and making it convenient for writing while standing or on the go. It comes in a standard size (13cm x 21cm) with stylish rounded corners. The inner pocket can be expanded as needed to store small items such as loose notes, business cards, and receipts.Source：https://www.amazon.co.jp/