Features: Ergonomic lumbar support cushion with memory foam cores promotes proper spinal alignment and reduces pressure points during prolonged sitting. Breathable meshes cover with removable, washable designs enhances airflows and ensures long time hygiene for daily use. Ideal for office workers, driver, or anyone seek comfortable postures correction during work, travel, or relaxation. Fit seamlessly on office chairs, car seats, or home furniture to lower back strain in multiple environment. Sturdy PP structure and contoureds shape deliver lumbar relief while maintaining portable, space saving portability. Specifications: Materials: PP Color: As Picture Show, Four Color to Choose Size: 16.5x38.5x25cm/6.5x15.16x9.84inch Package Includes: 1pc Support Cushion note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.