Regency Charisma Swivel Office Chair, Black: * Contemporary style * Pneumatic seat height adjustment * Tilt tension * Cushions contour to user * Curved back provides lumbar support * Adjustable armrests * 360-degree swivel * Durable black fabric * Frame: metal/nylon * 2-year limited manufacturer"s warranty * Some assembly required * Dimensions: 25"L x 23"W x 42"H * Model# 2805BK