isshoni. Synthetic Leather Notebook Cover A5 / DAIGOThe isshoni. Synthetic Leather Notebook Cover by DAIGO combines notebook protection with integrated stationery storage through an attached L shaped pen case. This cover allows you to carry your A5 notebook or planner together with pens, erasers, and small supplies in one lightweight package. The spacious L shaped pen case opens wide to organize small stationery items, while a magnetic hook clasp provides easy opening and closing. Compatible with