How about this for lessons, entering kindergarten, or preparing for school? Size: ☆ Lesson bag: Approximately 28cm (height) x 39cm (width) Approximately 4cm (depth) 　　　　Inner pocket: 14.5cm x 18cm A quilted interfacing like the one in the fourth photo is used inside. This adds thickness and makes it sturdy. Each item is made carefully, but it is a handmade item by an amateur. There may be some misalignment or distortion, but thank you for your understanding.