I have giant breed dogs, a mastiff, a mastador, and a great Pyr. Believe it or not the thin bully sticks are perfect for them. Problem we have with our big dogs, especially the mastiff, is he will get tired of chewing on a treat and swallow it whole. Usually this just means the joy of puke pick up, but that is no fun for the humans. These sticks are tough enough that they last a solid 20-30 minutes but not so tough or big that our mastiff gets bored and swallows the whole thing, which is an ...