All natural pig ears. Chews for dogs. All natural. Hartz Oinkies Pig Ears are all natural, oven baked chews with a savory flavor that dogs love! These pig ear chews are perfect for any size dog! As with all chewing products, supervise your dog when giving this chew. All natural & oven baked. Tasty long lasting fun. Dogs will finish the entire chew. No rawhide. Visit our website www.hartz.com. Facebook: Follow Hartz on Facebook. Treated by irradiation. Made in USA.