This is a 15cm zipper pouch. The size is approximately 15.5 x 9 cm. Although it's not quite big enough for a bankbook, it's convenient for storing small items, medicine, etc. Outer fabric: Franche Lippee Inner fabric: Franche Lippee Premiere Please understand that this is a handmade item, so there may be some imperfections such as slight distortions.