Usage:
With a simple squeeze of the compress (break the inner liquid pouch to mix liquid and harmless chemical), it gets hot immediately. It can last approximately 10~25minutes and reaches highest temperatures of 130F.
Function:
Good solution to relieve minor muscle and rheumatic pain, neural pain, sciatica, vertebral, joint pain, stiffness and muscle spasm.
Theory:
When the afftected part gets hot, the blood vessel will expand which speedup blood circulation, so as to relieve pain, remove pain and speedup heal. (Suggestion: Please use hot pack 48 hours after injured)

Features

Needs no heat up, convenient and portable, for use whenever and wherever instant hot therapy is needed, for outdoor activity and first aid.