Those are gigantic pieces!
Wow, those damn huge!
I cannot believe the enormity of that!
Whoa, check out those! They are massive!
Would you just look at the size of those are!
Unbelievable! Those are staggeringly huge!
Those are some of the biggest items I've ever seen!
Those are monstrously large!
Those are unbelievably big that I am in awe!
Those redefine the word "huge!"
You won't comprehend how enormous that!
Those are ridiculously small in comparison!
That are absolutely ginormous!
Those are undoubtedly the biggest ones I've ever seen!
I am astounded by the incredible size of that!
That earn the title of "astonishingly massive!"
Goodness, those are absolutely enormous!