Digital moist heating pads, as opposed to dry forms of heat, draws moisture from the air and retains it in specially designed high-grade ceramic heating element cells and delivers that moist heat deep into your muscle tissue for maximum relief similar to a deep tissue or shiatsu massage. This heat pad is constructed from double stitched 100% premium grade durable corduroy with a soft plush flannel cover for ultimate durability and comfort. This heat therapy pad has a state-of-the-art digital hand controller allowing the operator to precisely program the temperature and treatment time.