Premium Memory Foam Comfort: Made from high-density memory foam, this seat cushion conforms to your spine’s natural curve, providing lasting support and gentle comfort during prolonged sitting at home, office, or in vehicles. Hollow Design for Breathability: The innovative hollow structure promotes airflow, keeping you cool and dry while reducing heat and moisture buildup. Perfect for long hours on office chairs, car seats, or wheelchairs. Integrated Lumbar Support: Built-in ergonomic lumbar support alleviates lower back pressure and reduces sciatic nerve discomfort, helping maintain correct posture and relieve waist pain during extended sitting sessions. Versatile and Portable Use: Lightweight and easy to move, this memory foam seat cushion is suitable for office chairs, car seats, truck seats, wheelchairs, and couches, providing comfort wherever you spend long periods seated. Health and Posture Benefits: The L-shaped ergonomic design encourages proper spinal alignment, improves posture, and relieves back pain, making it an ideal gift for remote workers, drivers, or anyone seeking long-term sitting relief. Item Name: Seat Cushion Material: Milk Shreds Filling: Memory Foam Features: Hollow Design, Ergonomic Lumbar Support, Versatile Size Details: Size: 44cm x 40cm x 37cm/17.34" x 15.76" x 14.58" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Seat Cushion