Cold-therapy can relieve teeth, knees, shoulders pain, also hangover, headaches, sore muscle, joint and ligaments aches. Please control your cold therapy between 20 to 30 minutes each time.
Heat therapy can soothe an upset stomach, menstrual, migraine, sinus and joint pain. Do not fill too hot or boiling water (more than 60℃/140℉) in the bag, keep the temperature is comfortable to your body.
Notice:
If there is water droplets outside when you using ice water, that is the normal physical phenomenon, not pack leaking.
It's not suitable for broken skin, also not for any precise healthy purposes, it can only be the first aid method, please visit your doctor for advice when you need.