General description This Office Chair Seat Cushion is designed to provide firm support for individuals who spend long hours sitting. Its ergonomic design promotes good posture and helps maintain the natural curve of the spine, relieving pressure on spinal discs and reducing discomfort associated with tailbone, sciatica, and lower back pain. The cushion is portable and features a removable, breathable black mesh cover for enhanced airflow, ensuring comfort during extended use. Technical specifications Dimensions: 17.7" x 13.8" x 2.8" Filling Material: Memory Foam Weight Capacity: Ideal for adults 150-220 lbs Compatibility and accessories Fits most office chairs, car seats, wheelchairs, and desk chairs Includes a removable cover for easy cleaning Installation Simply place the cushion on your chair or seat of choice The non-slip rubber base keeps the cushion securely in place Usage Ideal for office use, long-distance driving, travel, and during pregnancy Helps reduce neck, shoulder, and