A reusable hot and cold therapy pack to soothe muscular discomfort, pain and to reduce swelling or bruising. __Benefits:__ - Reusable hot and cold therapy pack - Increases circulation - Relieves muscle aches, backaches, menstrual cramps - Good for sciatica, lumbago, muscle ache & muscle tension - Helps with swelling, toothache, bruises, headache and fever - Can be used heated up or frozen. If you\'re suffering from a sports injury or rheumatic pain, this Sure Thermal Hot and Cold Reusable pack offers soothing relief that targets pain fast. Simply heat it up in the microwave, or store it in the freezer and use it as required. We recommend covering the affected area with a towel first, then holding the pack over for immediate relief.