These are done on domestic sides and they're a fine, heavy leather. Backs are available upon request! If you weren't aware, "hot stuffing" is a process in the tanning stage where they rub or "stuff" fats, oils and/or waxes into the leather using heat to penetrate the fibers. Available in Regular and Drum Dyed Sides. 18-24 sf. avg. Sold by the side. Item # 123-10121.