The quick wrap maximizes the use of air flow and phase change material. The most important place to cool or warm a dog is on the underbelly, where all the blood is passing throught the heart and body cavity. This is Zentek taken to its basics. Use alone, wet , to increase cooling, and dry and covered to warm your dog. This technology acts as a personal 'heat pump'. It will also assist any pther cooling system. Please monitor your dog's core temperature.