Vital Essentials Freeze-Dried Snacks give your dog an added boost of vitamins, protein, and stimulation, while helping keep teeth strong and healthy. Vital Essentials Freeze-Dried Snacks (turkey necks, chicken necks, duck necks, pig ears, cod skins, salmon skins, bully sticks, moo sticks, duck heads, and pig snouts) provide healthy and delicious between-meal satisfaction.