It seems you're referring to a snack or food product called "Japanese Cuttle Fish" in a 25g pack size. Cuttlefish is a marine animal similar to squids and octopuses, and it's often used in various cuisines, particularly in Asian cooking. In some regions, cuttlefish might be processed into snack foods, such as dried cuttlefish strips or cuttlefish-flavored snacks. These snacks could offer a savory and chewy texture, often seasoned with spices or flavors typical of the region. If you're interested in trying it, you might find it in specialty Asian grocery stores or online retailers that carry international snacks.