The Curt Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4" # C11073 you were looking at for your 2014 Mazda 2 weighs in at 27lbs, and assuming the hitch is ordered by itself it will ship in a box that measures approximately 45" x 8" x 23".
If you order other products with it a larger box may be used so that multiple boxes are not needed. view full answer...