CHITRONIC Car Truck Cooling 12V Electric Fan Car Cool Breeze Seat Cushion, Black + Gray Color 3D geometric multilayer air holes are constructed with different layers of air vent which balance and increase airflow more than three times compares with other branded products Adjustable cooling fan speed control with 12-Volt Adapter to plug into vehicle's lighter socket Easy Installation with adjustable straps for comfortable contour design and highly breathable mesh fabric Made by approved & certified manufacturers with materials that meet or exceed road use regulations