My dogs love them
The treats are a good size for all sorts of things, but they might be a bit too big for training / dog school / etc. when you end up using a lot of them. You can break them into smaller pieces, but I find that a bit fiddly.
My dogs are quite big, about 30kg and 40kg, and they still have to chew the treats thoroughly. We use them at home as a reward for short exercises, or "just because", and they’re eaten happily, even by my wolfhound who hardly eats any treats at all.