Kaytee Alfalfa Cubes for Rabbits, Guinea Pigs, and Other Small Animals, 15 oz

My bunny prefers the cubes to loose alfalfa hay, chews on these all day And munchies loose hay at night. What’s the approx conversion to loose hay?

How big are the cubes? Can they be broken into smaller pieces as a treat for a dwarf hamster?

How many cubes are in there?

Are these made from non-gmo alfalfa?