These high-quality and maximum performance Comfort Gel Packs are exactly what you are looking for to be used for all of your hot and cold therapy needs. These packs are excellent to be used for reducing post-surgical discomfort and swelling, as well as at home injuries. Ideal to be used for aches and pains, this product is a must-have. It can be frozen in the freezer or heated in the microwave for easy and simple use. When frozen the packs stay flexible and colder for longer. Available in a variety of sizes and excellent for personal and professional use.