Vital Essentials: a single-ingredient, freeze-dried raw meat treat -- no fillers, preservatives, artificial flavors, or colors, made in the USA. Vital Ess treat for dogs and cats. Treat type: Freeze Dried. Available flavors: Beef Liver, Beef Trpe, Bully Stick, Chick Hearts, Duck Nibs, Minnows, Rabbit Bite, Salm Bites. Available sizes: 1.9oz, 1oz, 2.1oz, 2.3oz, 2.5oz, 2oz.