Description: High Speed Fans: This car seat cushion features 16 high speed fans that can cool down violently in just 8s. With low wind resistance and high wind pressure, it drives away the heat instantly, providing a refreshing feeling. The fans are energy saving and operate quietly with less than 40dB noise.3D Honeycomb Breathable Layer: Designed with a 3D honeycomb breathable layer, this seat cushion remains comfortable even after sitting for up to 10 hours.Intelligent Switch and Adjustable Wind Speed: The car cushion cools down violently in just 15 seconds with an intelligent switch and three-speed wind adjustment feature. You can easily switch between low, medium, and high speed to adjust the fan speed according to your preference.Ventilation Grooves and Powerful Fans: The ventilation grooves ensure a seating experience without causing discomfort to your buttocks. It has multiple fans the seating area that operate at a high speed of 5000 RPM silently while consuming only 7W power for more significant and evenly distributed air flow.Material: Made from polyester, which is sturdy and can be used for a long time. Specification: 60cmx48cmx5cm/23.62inchx18.90inchx1.97inch Size Chart: voltage: 12v Package Includes: 1Car Seat Cushion Note: Please allow slightly errors 1-2cm differences due to manual measurement.