The handle are made from genuine 15 mm copper pipes and fittings, soldered by old school rules of soldering, manually weathered and polished. Bag also have double bottom, to get all weights and permits to maintain the shape of bag for very long time. All elements are sewed by hand (saddle stitch) by waxed nylon thread 1 mm thick. Bag can be without copper hand, with a leather handle, if you want.