He really seems to like these! He is an aggressive chewer when it comes to chew toys, and so far this has lasted a few hours and he is only like 1/4 of the way through. They do take a while to get would be my only complaint, however they did arrive a day early so I cant even complain about it. I did read somewhere what each flavor stick can help with such as digestion ect. I ordered the multi pack and it would be nice if the package had this I formation or if each stick had that info. Overall I ...