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Thermostatically controlled heating unit for paraffin therapy treatments maintains a precise temperature control. The warmer has an additional built-in safety thermostat to prevent overheating. It is portable, lightweight, and has a deep tank to allow complete immersion of hands and feet. Includes a transparent lid to supervise paraffin level and meltdown. Includes 6.6 lbs of peach, lavender, or tea tree oil paraffin.
You can also check an interesting post on rechargeable hand warmers.