All Caldera reusable Therapy Gel is Made in the USA and can be applied either hot or cold. Therapy Gel remains pliable when frozen, is latex free, non-toxic, and microwave and freezer safe. 

• Pliable when frozen
• Latex free
• Non-toxic
• Microwave and freezer safe
• Economical--use over and over.
• Used by physicians, trainers and athletes.