RELIABLE MATERIALS FOR COMFORT AND DURABILITY: Our portable seat cushion is made of waterproof cationic fabric and memory foam, which ensures a comfortable and warm seating experience while maintaining durability. PORTABLE AND CONVENIENT DESIGN: Our heated seat cushion features a portable handle that makes it easy to carry and use in most places, a buckle design on the back to secure the cushion to your seat, and a small pocket on the side for storing a power supply, NOTE: Power supply is not included; enjoy the warmth and comfort it brings whether you're traveling, camping, or sitting in your car. HEATING CONVENIENT: Our outdoor heated cushion with USB port can be charged by mobile power, car charger, etc., allowing you to get rid of the wire or power outlet, more convenient to use, but does not include a mobile power supply, you need to prepare your own mobile power supply ADJUSTABLE TEMPERATURE DESIGN: The heated seat cushion has a button to adjust the temperature, it has three temperature settings, including blue low temperature: 122 / 50 , green medium temperature: 138.2 / 59 , and red high temperature: 149 /65 , to meet your different temperature needs. WIDE APPLICATION: Our heated bleacher seating is ideal for sports enthusiasts, travelers, drivers, home and office workers, and outdoor fishing enthusiasts; it provides soothing warmth during the cold season, making your seating experience comfortable and relaxing. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.