Bought these for my 2 year old 35kg husky. A couple of hours after his first one he seemed in some discomfort but I didn't attribute it to these treats. The following day he had another and within an hour he threw it up, plus everything else he had eaten that day. It was foul and he was visibly upset and struggling to regurgitate everything. Do not buy, I would not say he is food sensitive at all, so if your pup is fussy or has a sensitive stomach avoid these completely.