Catmandoo Bonito Flakes Cat Man Doo Extra Large Bonito Flakes are just that. nito Flakes are two to three times larger than that of our competitors. Cat-Man-Doo now offers the one and only stay-fresh sealed container on the market. This makes our Bonito Flakes comparable to no other! Our superior packaging allows our flakes to arrive to the customer fresh, flavorful, and in a pristine state.