Comfortable and Thick Design: The thickly padded backrest provides excellent support and comfort. The thickened design effectively relieves pressure on the buttocks caused by long periods of sitting, making it particularly suitable for office workers, students, or anyone who needs to sit for extended periods. [Integrated Lumbar Support and Backrest] The integrated seat and backrest design provides effective lumbar support and relieves back fatigue. Whether you're working or studying, it helps you maintain a comfortable sitting posture. The cushion is made of high-quality fabric that is soft to the touch and provides excellent thermal insulation. The fabric is also breathable, ensuring long-term use without feeling stuffy. Versatile Use: Suitable not only for the office, but also for home, car, school, and other occasions. Whether you're working, studying, or driving for long periods, we can provide you with a comfortable sitting experience. About Packaging: This seat cushion is vacuum-compressed and may feel relatively small upon receipt. Don't worry; you can leave it for 3-5 days and then gently pat it to restore it.