Double Concave Support The cushion features a double concave structure that wraps the legs, promoting even weight dispersion and a fit for enhanced relaxation. Prevention Back Discomfort lumbar support and dynamic postural adaptation help align the spine naturally, reduce tension, and effectively prevent back pain during prolonged use. Zoned Ergonomic Comfort An intelligent support system conforms to your body shape for increased stability, balanced weight distribution, and reduced muscle fatigue during use. Easy Maintenance Made from machine washable and breathable materials with an intelligent concealed zip system for quick and easy cleaning. Key attributes Function: Provides lumbar support, promotes natural spine alignment, and reduces muscle tension for prolonged seating. Material and maintenance: Breathable, machine washable fabric; convenient concealed zip for cleaning. Performance: Ergonomic zoning and double concave design deliver stable comfort and reduced fatigue over extended periods. Compatibility considerations: Designed to work with standard seating to support posture and comfort during long sessions. Use scenarios In an office chair during long work or study sessions to support posture and comfort. On a sofa or lounge chair for reading, watching videos, or relaxing without discomfort. In meeting rooms or conference chairs where seating lasts for extended periods and posture support is beneficial.