my lucky boy loves greenies

. at 1st i would give him the smallest one once a day but now i've cut them down to about 2 a week.he goes nuts jumping up and down. trying to get his nose in the bag before i have a chance to pull one out. i have a ???? what size greenies is good for yorkies the ones that looks like chip pieces or the small whole bone? just curious of what other out there use.