Costera tuna belly is handcrafted with selected tuna belly and finished with olive oil. This gourmet preserve comes in a 73 g format and brings together the key points highlighted in its description: selection of the tuna belly, artisanal preparation, and preservation of flavor and juiciness. Behind the product is Conservas Costera, a family cannery in Gijón. Its production process preserves the flavor and juiciness of the tuna belly for the indicated 6 years of best-before date. This reference corresponds to the best-before date and does not specify storage conditions once the product has been opened. A proposal from the cannery in Gijón to bring tuna belly with olive oil to the table. The selection of the bellies and the artisanal process define this preserve, presented by Costera as part of its gourmet range.