Thank you for viewing. Used only once for transporting fish. [Product Information] ・Size: 10L ・Color: Gunmetal ・Removable and easy-to-clean double-opening top lid ・Rigid body that allows you to sit firmly (rib structure adopted) ・With an opening to prevent cold air from escaping and for easy access ・Comes with a shoulder belt for easy carrying ・500ml PET bottles can be stored vertically (8 bottles) ・A cooler box recommended for fishing, camping, and outdoor activities ・Can also keep food and water for the family cold [Reference Link] Rakuten Ichiba product page https://item.rakuten.co.jp/naturum-fishing/3299017/