Excellent to reduce swelling process after injuries and surgeries, relieving chronic and located pain. The continuous use of Cold packs is excellent to be in good shape. It also enhances out to be a very important factor when healing during post-surgical conditions, for it greatly diminishes swellings, pain and bleeding due to its properties as blood vessel contractor. As soon as the cold acts over the skin, it initially turns it pale due to the contraction of the blood vessels and then it gives the skin a reddish color, when those same blood vessels expand by all its functions. The reason is quite simple, whenever an organ receives better blood irrigation, its vitality increases dramatically, enhancing all beauty and health features of the skin.