HN4609 Features: * Seat and back material(s): 100pct Polyester * Arm adjustability: Height, Width * Casters supplied with this chair are not suitable for all floor types * Base/ leg type: 5-Star * Back type: New Value, Upholstered * Compliance, Standards: Indoor Advantage-Gold * Total Recycled Content Percent: 36 pct * Product is in compliance with the governmental EPA/CPG standards for environmental friendly products Includes: * Arms included Specifications: * 1-Pneumatic Seat Height Adjustment, 11-Tilt Tension, 12-Tilt Lock, 4-Seat Glide Mechanism, 5-360 Swivel, 9-Synchronized Knee Tilt Dimensions: * Seat dimensions: 21"" W x 18.88"" D * Back dimensions: 23"" H x 19"" W * Overall dimensions: 38.25"" - 42"" H x 27"" W x 34"" D