Pain Relief: 12 x 24-inch premium king-size Sunbeam heating pad provides extra heat coverage* on large muscle groups to deliver fast, soothing heat therapy for common muscle and joint pain *Compared to Sunbeam Standard-Size Heating PadsFast Heat Up: Feel the heat in seconds for fast reliefCompact Storage: After heat therapy treatment, roll up controller in pad and secure in place with elastic straps for neat storagePremium Fabric Pad: Premium pad is designed for flexibility and maximum comfort with soft, plush fabric; entire pad is fully machine washable and dryer-safe for easy care—just disconnect the controllerClinically Proven: Heat is clinically proven to relieve pain associated with muscle tension and stressEasy-to-Use Push-Button Controller: Customize treatment with 4 heat settings using the push-button controller with LED heat-setting lights for visibility in the darkConvenient Features: 2-hour auto-shutoff, a long, convenient 9-foot cord, and optional moist heat—spray fabric with water for deep, penetrating pain relief"HSA/FSA Eligible, UL Certified, FDA registered Class II Medical Device