I really like Robbins Pet Care! This is the first time I have ever bought anything from them. They are FAST, relatively inexpensive, and the shipping cost is not that bad. In my ongoing quest for healthy training treats, I discovered Merricks Lamb Filet Squares. OK, get ready... it's LAMB LUNG,
but it's all natural, really easy to break into tiny pieces, and you get this huge bag for a little over $4! My girls LOVE them!!
http://shop.robbinspetcare.com/dogs/lambfilet.html