Warmer bag of Rehabilitation in difference shape as customer's requirements . Warmer bag USE INSTRUCTIONSBend the metal chip A FEW TIMES to activate ... and Heated Slippers.Use them to help manage the pain of muscular aches, arthritis, sports injuries, and swellings. These microwavable ... relaxation, comfort and warmth. We can supply you any kinds of Hot pack ,cooling pad in any size ,pls email me ...