10-12 oz London Tan Drum Dyed Harness Side Hot stuffed and drum dyed, these are very fine sides that are superb for a variety of saddle and tack applications. 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. Five colors and several weights to choose from! Sides average 18-24 sf. Sold by the side. Item #123-10124.