MUD1026 Features: * Material: Steel, Composite Base, Plastic Trim * Feng shui desk height seating * Single lever controls back rest, seat tilt, Seat height and free float rear tilting * Adjustable height 18"" chrome foot ring * Seat height adjusts from 16.5"" - 33.75"" via pneumatic mechanism * Chrome stem with adjustable height from 18"" - 22"" via pneumatic mechanism * Padded and molded foam back and seat * Durable fabric seat and back * Adjustable height armrests * Stable 5 star base with multi surface casters Assembly Instructions: * Assembly required Dimensions: * Seat back: 15.5""W x 16.5""H