Hot Compress: muscle strains, rheumatic pain, Sprain, swelling, stiffness and muscle spams, arthristis, sciatica ,stain of lumbar muscle, menorrhalgia etc.

Cold Compress: Contusions, minor burns, trauma, headche, scald, fever, sunstroke, sport injury etc.

Cold Compress:  put it to the freezer for 5 mins, it can keep cool for 30 mins

Hot Compress:    put it to microwaver for 3 mins, or put into boiling water for 5 mins, and it will be heated fully