Long periods of driving can lead to back or leg pain. The unique ergonomic and orthopedic design of our cushions can help relieve sciatica, pelvic, cheekbone or tailbone pain while driving. Effectively reduces leg pain, fatigue and numbness, making your driving more comfortable. The inner core of this cushion is made of high density comfort cotton for maximum comfort and support for your driving. 16.8 x 18.3 inches wide and 0.78 inches high, our seat cushions ensure universal size for 99% of vehicles. Perfectly matched with your car seat, effectively increase the height of the car seat, especially the rear seat height, provide perfect waist support, effectively improve the driving vision, ensure safe driving. High quality breathable mesh fabric is used as the cushion surface. Even if used in the summer, there will be no smell. Date First Available January 3, 2024