Improved hot water bag (Machine-translation by Google Translate, not legally binding)

摘要

"PERFECTED BAG OF HOT WATER", characterized in that to avoid the burns that can and usually are produced by the direct contact of the bag with the skin, it is disposed on both sides of that, instead of the reliefs or drawings that, in a way of ornament, usually carry, a vertical fins of sufficient height to increase the thickness of the faces, decreasing the heat transmitted by them, but taking advantage of this to its exit between the fins, which can save any layout and adopt any pattern that is desired (Machine-translation by Google Translate, not legally binding)