Smart Temp Portable Reusable Hot/Cold Pack: * Provides soothing therapy for sore and tired muscles * Strap keeps pad in place * Heat in the microwave or cool in the freezer * Pliable pack molds to your body * Two hot/cold pads: 9"x14" and 6"x10" * Stays cold or hot for up to one hour * Portable and reusable * Soft, washable cover * No cords or plugs Provides effective sore muscle relief from: * Sports injuries * Back or muscle pain * Arthritis * Menstrual cramps