Features: Ergonomic designing support to relieve pressure and correct sitting, features memory foam cushion for long time comfort. Breathable with ventilation hole enhances airflows, while the removable, washable cover ensures easy maintenance and hygiene. Ideal for students, children, and office workers enhances back support during extended sitting periods. Versatiled use in office chairs, car seats, or dining chairs to promote healthy sitting and reduces fatigue during work, driving, or study. Lightweight foldable designing offers portability, seamlessly transitioning between home, office, and travel environment for continuous spinal care. Specifications: Size：about 35x32x30cm/13.78x12.6x11.8in Color: Optional Component: Memory Foam Package Includes: 1PC Sitting Correction Chair Cushion note: There might be a bit color distortions due to different computer resolution There might be 1-2cm size errors due to different computer resolution