Return to the office without forgetting a single thing! Buy Office Chair Unisit Ariel Aicp Black and be the envy of your colleagues!. Colour: Black. Material: Cloth. Characteristics: Adjustable Backrest. Piston: Gas. Total width: 48 cm. Minimum Total height: 107 cm. Type: Office Chair. Maximum seat height: 57 cm. Minimum seat height: 45 cm