FLYING Quality Swivel Executive Furniture Office /Task/Computer Chair with Mesh Fabric Pads (Green) Mesh material comes in your choice of 4 colors: Red/Green/Yellow/Purple Pneumatic seat-height adjustment for easy positioning Strong 5 castor-wheel Chrome base lead 360 Degree Swivel Easy to follow instructions;Maximum holding weight: 150KG Heavy Duty Nylon Base with Dual Wheel Carpet Casters ;7*24 hours customer service,please buy with confodence:)