Caldera Multi-Purpose Therapy Wrap: * Ideal for: shoulder, back, wrist, knee, elbow, neck, sinus, ankle, migraines, menstrual pain * Includes a sewn-on elastic extension for compression and a 4.5" x 10.5" TherapyGel pack which can be applied either hot or cold * For injury prevention and recovery * Adjustable contour fit * Anti-bacterial fiber * Economical--use over and over * Used by physicians, trainers and athletes; breathable sleeve; hands-free application; latex free and non-toxic; microwave and freezer safe; machine washable