Based on the revolutionary Therapearl technology, presents a variety of hot & cold gel packs. Microwaveable, reusable, and non-toxic, these hot and cold pack are a great way to do away with pain resulting from Arthritis, injury, or sprain. The ice gel pack can do wonders for recovering from bruises, swelling, & sunburns. The ice pack can be chilled in the freezer for 2 hours prior to use. One can easily buy hot and cold packs online by visiting the site.