Raudoseru is Japanese backpacks and used by elementary school kids to carry books and supplies while they commute to school. It is solid material, most of them are made by leather and comes variety of colors. Usually black color is for boys and red color for girls. Because it is well-made, Japanese kids are using this Randoseru for 6 years – from Grade 1 to grade 6. Average price is about 40,000 or 50,000 yen ($400 to $500 USD). It is not cheap. Some of them cost 100,000 yen ($1000 USD).
