Breathable and Cool: The office chair seat cushion surface layer is made of breathable mesh fabric that is soft to touch, allowing you to enjoy a cool driving experience during summer. Adjustable Wind Speed: With three adjustable wind speeds, you can easily control the ventilation and cooling of your seat, offering a cool and comfortable support designed specifically for those who drive for long periods. Multi Use: The chair pads great for a long or hours, proper size 45x45cm fits all types of chairs, such as office chair, desk chair, car seat, gaming chair, wheelchairs. Intelligent Fan Car Seat Cushion: This upgraded car seat cushion features 8 high-speed fans built-in, providing rapid cooling for your comfort. Portable: This seat pad cushion is perfectly shaped and sized. Conveniently to take wherever support and needed. Suitable for various types of vehicles such as cars, SUVs, trucks etc., as well as different scenarios like home use or office use. Specification: Material: Polyester Size Chart: 45x45cm/17.72x17.72inch Package Includes: 1 Seat Cushion