This model is known as a large-capacity type, primarily suitable for overnight events such as forest schools, school trips, and camping. Main Features Capacity: Supports approximately 39L to a maximum of 42L, making it an ideal size for trips of about 2 to 3 nights. Multi-functionality: Equipped with multiple zippered pockets on the front and sides, making it easy to organize small items. Safety: The white part in the center of the front is a reflector, enhancing visibility at night. Thank you for looking.