Instant Hot Compress - First Aid

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)