From the website: ↓ Highly popular for entrance exams, new school enrollment, and preparation for the new school year! Nylon lesson bags & shoe bags Made of sturdy, stiff nylon fabric. These are durable and long-lasting tote bags & shoe bags. The lesson bag is sized to easily fit an art box and textbooks. The shoe bag is made in a size that can be used by children from preschool to elementary school. Plain navy lesson bags and shoe bags are not often available in mass-market stores, so we made them to order based on customer feedback. They have a simple design that can be used by both boys and girls. Used for about 4 months, with no name written on them and little wear, they are still in good condition. They don't stand completely on their own, but they stood up when items were placed inside. I used a bottom board, which made them even more stable and prevented them from losing their shape. They can fit B4-size sketchbooks and can be used for commuting to cram school, nursery school, entrance exams, and preparation for extracurricular activities.