Flash Furniture Hercules High Back Big & Tall Office Chair, Black: * Back height adjustment * Back tilt lock * Pneumatic seat height adjustment * Height adjustable arms * Dual wheel carpet casters * Fabric upholstery * Heavy duty nylon base * 500 lb weight capacity * Extra wide seat * 3" thick foam padded seat and back * 2-year warranty for parts * Overall dimensions: 30"W x 32"D x 40"-47"H * Seat size: 20"W x 20"D x 19"-21.75"H * Back size: 20.5"W x 28"H * Arm height: 25.5"-31.5"H * Model# WL726MGBKA