Ball Park Bun Size Beef Franks are a beefed up, bun size version of regular Ball Park hot dogs. These uncured beef hot dogs are made using 100 percent beef and contain no added nitrites or nitrates, except for those naturally occurring in sea salt and celery juice powder. No by products, fillers, or artificial flavors or colors. These bun length beef hot dogs are long enough to fill the entire bun for delicious flavor in each bite.