Pneumatic seats and padded cushion built-in high-density sponge, alleviate the pressure off hips keeping you productive 360-degree rotating five-star nylon chair feet and stable base with a weight capacity of 150 kg, with muffled wheels flexible rotation, preventing floor scratches. Tilt mechanism to angle 120 degrees, adjustable back resistance satisfy different needs. Non-toxic material long streamlined for arm supporting, meeting the comfortable placement habit of your elbows. Classic accent for conference room, home, office, study, and more. Upholstery Colour: Black