Ergonomic Design for Optimal Support: This lumbar support cushion features a streamlined, concave neck pillow design that provides strong support to your neck and back, ensuring comfort during long hours of sitting Comprehensive Back and Lumbar Support: The cushion is designed to closely fit the curve of your back muscles, offering firm support that helps maintain a natural posture by embracing both sides of your waist Enhanced Spine Alignment: With two wing side supports, this cushion effectively cradles your spine and aligns with the sides of your waist, promoting a naturally straightened back posture Premium Material for Comfort: Filled with PP cotton and covered in soft corduroy fabric, this cushion offers a plush and comfortable seating experience while maintaining durability Generous Dimensions for Full Coverage: Measuring 60cmx42cmx20cm, this lumbar support cushion provides ample coverage to ensure comprehensive support for both office chairs and car seats Specification: Material: PP Cotton, Corduroy Size Chart: 60cmx42cmx20cm Package Includes: 1x Car Seat Cushion Note: Please allow slightly errors 1-2cm differences due to manual measurement.