The DX-749 is a height adjustable musicians seat with an adjustable footrest and adjustable backrest. Perfect for all musicians, including keyboard, guitar, woodwind, and brass players. Designed to help musicians perform in the ideal ergonomical position and reduce spinal stress and leg strain when playing for long periods of time. Thick, comfortable, firm seat cushion, adjustable to 9 height positions from 22.8? to 31.5? (58 to 80 cm). Backrest adjustable to multiple heights and depths for maximum comfort. Convenient, non-slip, height-adjustable footrest. Sturdy steel construction. Non-reflective, powder-coated black enamel finish.