The perfect rectangle. Wrists, knees, lower calf, foot, forearm; there are literally innumerable uses for this very practical size. Some burns by their nature, result from a hot liquid or toxic chemical, that very quickly runs down or around the skin. Whether you are dealing with a linear, or a circumference burn, this CoolTherm Dressing with a length three times its own width, is perfectly tailored to deal with injuries like these.