Essity Actimove Physiopack Reusable Hot/Cold Bag 12cm x 29cm is a gel bag suitable for use:- hot for muscle pain, inflammation and arthritis, muscle stiffness,- Cold for traumatic injuries, inflammation, muscle spasms, osteoarthritis or during rehabilitation. Whether cooled or heated, it always remains flexible. It has a cover that prevents direct contact with the skin. Read the manual before use. In the cold application: prohibited in circulatory disorders, Raynaud's disease, cryoglobulinemia, paroxysmal hemoglobinuria in cold and cold urticaria. In hot application: prohibited in the case of circulatory disorders, tumors, sensory disorders, acute trauma, bleeding, acute inflammation and acute edema. Can be chilled in the freezer (2 hours at a temperature of -15C) or in the fridge (6 hours at a temperature of 10C). Can be heated in the microwave (4 minutes at 100 watts) or in boiling water at 80C for 2 minutes. Do not apply directly to the skin and leave on for a maximum of 20 to 30 minutes. Always check the condition of the pouch before use. Indication: Relief of pain and discomfort.