This heating pad is designed with a belt. Strong tape secures the heating pad tightly to your waist, freeing your hands. The large waistband has a length adjustment function and is the ideal size for most people. 7.2 feet (2.2 meters) [Effective for pain and muscle aches] Our heating pads can be used for dry heat therapy or moist heat therapy by spraying a fine mist on the surface of the mat such as the back, neck, shoulders, abdomen, legs and even joints, which helps to improve blood circulation. You can enjoy a high degree of relaxation at home, in the office, in the gym or while camping. The heating pad has a built-in distributed heating copper wire, which heats up in seconds, quickly reaches the required temperature, and provides enough heat. The heating pad adopts advanced PTC wire overheating protection technology. If the temperature of any part of the heating pad exceeds 60°C / 140°F, the heating pad will immediately and automatically turn off [6 heating settings and automatic shutdown] With 6 heating settings from 40°C to 60°C (104°F to 140°F), you can set the most suitable temperature for deeper penetration and more effective relaxation. There are four timer modes, ranging from 30 to 120 minutes, and the heating pad automatically turns off when the set time is reached.