Ice packs can generally be purchased in hospitals, medical equipment stores, larger supermarkets, pharmacies, and online.

Ice pack is a novel freezing medium that does not cause water pollution when thawing and thawing. It can be used repeatedly for hot or cold use. Its effective cold capacity is 6 times that of the same volume of ice. It can replace dry ice and ice cubes. wait. The types are simple and clear, divided into reusable ice bags and disposable ice bags.

How to make your own ice pack:

Materials: 1. Medium or large fresh-keeping bags or special food shopping bags, purchased at the supermarket, use two at a time. 2. Refrigerator. 3. 8-10 disposable plastic or paper small cups. 4. Tap water.

Steps to make homemade ice packs: 1. Make ice cubes using the refrigerator ice tray. If the refrigerator does not have ice trays, fill 8-10 small cups half with tap water, put them in the refrigerator and freeze them into ice cubes. Once dissolved, pour the ice cubes out of the glass. 2. Put ice cubes into a fresh-keeping bag, and then add tap water. Generally, use 1 part ice + 2 parts water. The mixture of ice and water can account for less than half of the ice bag capacity. 3. Seal and tie tightly. First, drain the air out of the fresh-keeping bag, and tie it tightly near the mouth of the bag. Do not tie the knot close to the water surface, nor do it contain half air and half water.