Ergonomic Wshaped design provides snug support for the buttocks, reduces back fatigue, relaxes the tailbone, and improves the driving experience. Deformationresistant construction uses breathable fabric with a viscoelastic foam core, delivering comfortable, breathable, thick, and durable support. Back and tailbone relief with a scientific flat Wshaped design and adjustability supports the back, relieves fatigue, and relaxes the tailbone. Expands your view by raising the seating position: while driving, the car lift pad increases forward visibility by approximately 4 inches, helping you see the road more clearly. Materials and performance: breathable fabric outer, viscoelastic foam core, designed for longterm comfort and durability to support extended driving sessions. Practical applications: designed for adult use in standard car seats, suitable for daily commuting, long highway drives, and rideshare or delivery work where comfort and visibility are important. Use scenarios Long drives and daily commuting: reduces back fatigue and tailbone pressure for a more comfortable, focused drive. Rideshare and delivery drivers: supports extended shifts with improved posture and a clearer forward view to enhance safety and comfort. Drivers with tailbone discomfort or postural needs: provides targeted back and tailbone relief to improve driving comfort and reduce fatigue.