I think there is some perspective here but they can be very large. I'm only chiming in semi-repeating what others said because I had the chance to meet some wolves at a sanctuary up close. Petting a few and all that.

Like everyone else I was told they're mega big, but they aren't dire wolf level big like some make them out to be. Definitely imposing and intimidating, but they aren't so big to fit a whole head in their mouth like a German shepherd holding a softball.