The Rapid Relief Therapeutic Oat bag is filled with 100% natural oats that conforms to your body for concentrated hot or cold relief where you need it most.Oats offer a penetrating moist heat, a subtle massaging effect from the individual grains and the weight of the oat filling offers gentle pressure to the treatment area.Enjoy soothing heat relief from muscles aches and pain, muscle spasms, cramps and stress or choose cold therapy for bumps, bruises, swelling, sprains, headaches, etc. The two-in-one hot/cold therapy pad features an innovative pocket for an included cold gel pack to increase the intensity of the cold temperature therapy.The large Square size (9 x 10.5) is ideal for stomach or lower back aches and is a natural source of comfort during labor and delivery for expectant mothers.