It is important to be an educated customer on the appropriate items you wish to purchase. The benefits of K.E. Rush & Sons products are, they are 100% all natural, with no additives or preservatives, fully organic, and above all completely digestible. All products are hickory smoked for an extended period of time so that they are shelf stable but not brittle. The entire product source is from USDA federally inspected plants then processed to perfection. When selecting a product choose one that is appropriate to the animal's size. Observation is recommended.