SJJ Office Chair Seat , Enhanced Cooling Memory Foam for Extended Sitting - Alleviates Back, Sciatica, Coccyx, and Tailbone Pain - Ideal for Office, Gaming, Car, and Wheelchair Use - Extra

【COOLING】Instantly cools the seat and prevents heat buildup during prolonged sitting. Ideal for those sensitive to heat or in warm climates, loved by everyone in summer. The core increases density for enhanced support. 【EXTRA LARGE SIZE】Exceeds standard dimensions, offering increased thickness and length. Measures 18.3''x16.34''x3.74'' for comfort and support, designed for those needing more space and weight capacity. 【 FEATURES】ber base for secure seating. Additional inner lining keeps the foam clean. The cover is removable and machine washable for easy care. 【PAIN RELIEF】Ergonomic U-shaped design conforms to hip , promoting circulation and alleviating back pain, sciatica, and discomfort from long sitting periods. 【VERSATILE USE】Perfect for office, gaming, dining chairs, and wheelchairs. Side handle facilitates easy transport for use in cars, planes, trains, and events.