This cost-effective bag made of polyethylene was invented by the manager of Suigen no Mori Camp Land, and is an attention-grabbing product that reflects the feedback from the on-site work of managing the campsite and the characteristics unique to Camp Land. ?). Not only are the large capacity, gray color, and water resistant features easy to catch the eye, but the wooden core bar installed at the top of the side panel provides a stabilizing function that is useful when carrying.