This therapeutic device is a 4 inch aluminum hemisphere filled with water. This unique hemisphere design allows for the device to remain in place while using. Upon receiving, place in freezer until frozen.
When using device, always use a layer such as clothing or a towel between ball and skin to adjust to the extreme coldness. The Cryo-Releaser maintains its cold effectiveness for 2 or more hours.
Not recommended for persons with diabetes,
neuropathy or any lack of sensation