Photo 1 of ThermalMax Reusable Heat Pack - Long-Lasting, Up to 2 Hours of Therapeutic Heat, Fast-Heating Relief Wrap with Adjustable Straps, Best For Pain Relief, Muscle Comfort, Knee, Back, Hip Surgery - Medium

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Photo 1 of ThermalMax Reusable Heat Pack - Long-Lasting, Up to 2 Hours of Therapeutic Heat, Fast-Heating Relief Wrap with Adjustable Straps, Best For Pain Relief, Muscle Comfort, Knee, Back, Hip Surgery - MediumPhoto 2 of ThermalMax Reusable Heat Pack - Long-Lasting, Up to 2 Hours of Therapeutic Heat, Fast-Heating Relief Wrap with Adjustable Straps, Best For Pain Relief, Muscle Comfort, Knee, Back, Hip Surgery - Medium