This Office Master Patriot Chair offers exceptional adjustment and essential ergonomic features at a desirable price. Designed for efficiency, comfort and adjustability, the Office Master Patriot PA55 features a tilting backrest, a seat slider, and an easy-to-use back height adjuster. This ergonomic seating solution of this chair is designed to fit a wide variety of users who sit for long hours each day. Office Master Cancellation Policy: Office Master products that are canceled after 24 hours of purchase will receive a 30% cancellation/restocking fee. Features include independent adjustability on backrest and seat angles. Tilting backrest and back height adjuster with sliding seat.