12 inch x 24 inch. Auto shut-off. 70% larger! Doctors recommend. Moist-heat therapy. Moist-heat provides deep penetrating relief. 3 heat settings. Machine washable cover. 9 foot cord. Soft cover. Experience the comfort. Heat therapy: Relaxes muscles and relieves joint pain and soreness. Increases blood flow to the injury area and helps accelerate healing. Warms and loosens stiff muscles before exercise. Aquifer. Timed-release moisture technology provides deeper heat penetration than dry heat alone. Moist heat is physician recommended. Menstrual pain relief. Arthritis pain relief. Muscle ache relief. Machine washable cloth cover. 3 year warranty. UL listed. Made in China.