SpaghettiOs are a brand of canned ring-shaped pasta in tomato sauce. They are marketed for children as "less messy" than regular spaghetti. More than 150 million cans of SpaghettiOs are sold each year. SpaghettiOs are sold in tomato sauce and with additions including meatballs, pieces of processed meat resembling hot dog slices, beef-filled ravioli, and calcium-fortified spaghetti.