Callipo Riserva Oro - Tuna belly fillets in olive oil (200 g glass) Callipo tuna belly fillets are obtained from the ventral muscle bundles, which, being woven with fat, are softer and tastier. The result is a high-quality, high-quality product, appreciated by the most refined palates. The processing is carried out entirely in Italy and strictly by hand according to the ancient tradition that the Callipo family has handed down for 5 generations. Each operator engraves the fillets with their initials to guarantee authentic craftsmanship and quality and the traceability of the product.