Reliable relief for auto and home use: A seat cushion designed for cars and household seating with ergonomic support that helps you sit fatigue-free for hours and adapts to different seat surfaces. All-day comfort: The ergonomic L-shaped design targets the lower back with dependable lumbar support, conforms to the body, and promotes a comfortable posture on long drives or extended desk work. Shock-resistant support: High-density memory foam cushions the tailbone and provides a durable, comfortable feel with reliable shock-absorbing properties. Optimized stability: The contoured structure offers full support for back and seat, reducing pressure points on the hips and lumbar area to maintain comfort during prolonged use. Key attributes: - Function: ergonomic relief, lumbar support, tailbone protection - Compatibility: suitable for cars, office chairs, and home seating - Material: high-density memory foam - Performance: durable cushioning that maintains comfort over long sessions Use scenarios: - Long car drives or daily commutes - Extended desk work or study sessions - Seating on various chairs around the home, such as sofa or kitchen chair