Size Approximately 40cm x 35cm x 2.5cm A high-performance gel cushion with a honeycomb structure that makes it less likely for your buttocks to hurt even during long hours of desk work or driving. The unique high-rebound gel material evenly distributes body pressure when sitting, reducing the burden on your buttocks and lower back. With a gentle, natural fit, you can work for long hours stress-free. It also has excellent breathability, and the air inside circulates well, making it less likely to get stuffy, and comfortable to use even in summer. Simply place it on a chair for easy use, and it can be used in various situations such as desk chairs at home or in the office, car seats, and living room chairs. Also recommended for those who are concerned about lower back pain or posture. It is lightweight and easy to carry, making it a convenient item that can be used easily when traveling or on business trips. Gel cushion health pelvis lower back pain absorption posture safe seat cushion