POLY-COTTON UPHOLSTERY: The durable poly-cotton upholstery provides a cushioned seat and back that’s comfortable and easy to clean. WOBBLE-FREE, SWIVEL BASE: The Astoria smoothly swivels 360 degrees using high-quality steel ball bearings that will last for years to come. POWDER-COATED STEEL BASE: Heavy-duty, strengthened steel base can hold up to 300 pounds. ULTRA-SMOOTH ROLLING: Our roller wheels are high-quality, polyurethane, hardwood-safe rubber that provides ultra-smooth rolling across surfaces. ULTRA-FAST ASSEMBLY: Attach the base to the seat and you’re ready to go. Back to work in less than 5 minutes. The Astoria II office chair features poly-cotton upholstery and a padded seat atop a 360-degree swivel and height adjustable mechanism with slight recline — a perfect modern chair for a variety of uses throughout the office. Best used as an occasional task chair, not for long hours at your desk.