Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Half Size Pack 5" x 12" * No need for water or electricity * Delivers moist heat safely and effectively by utilizing the convenience of a microwave oven * Provides therapeutic moist heat at the correct temperature levels needed for effective therapy * Convenient personal 5" x 12" size * Ideal for treating smaller areas with 100% natural pain relief *