a5a6 hand account book cover $ 7.74 Material pu Color yellow Size: A5 A6 Function: The practicality and functionality of HOBO account are also full marks. The insert pocket in the cover can hold all kinds of small cards, stickers, tape packaging, ticket stubs, and receipts, all of which can be put inside. There are many pen inserts and bookmarks, which are practical and beautiful. And we use special materials to make the hand account waterproof and stain resistant.