Specifications:<br>Material: iron, PP, nylon mesh, foam, nonwoven fabric, composite boards, steel<br>Overall dimension: 60 x 62 x (93-102)cm/ 23.6 x 24.5 x (36.6-40.2)’’ (WxDxH)<br>Adjustable seat height: 36.5-46.5cm/ 14.4-18.3’’<br>Seat size: 47.5 x 48.5 x 6.5cm/ 18.7 x 19 x 2.6’’ (LxWxThickness)<br>Maximum weight capacity: 125kg/275lb<br>G.W.: 9.6kg/21.2lb<br>N.W.: 8.1kg/17.9lb<br>Color: black<br><br><br>Note:<br>1. For your safety, please do not stand on this chair.<br>2. Please allow ±1.5cm/0.6inch errors in seat height due to manual measurements.<br>Quick overview:<br>A good office chair can be beneficial to a productive workday. Our 360° swivel ergonomic mid-back chair is your most cost-effective choice for office and home. Soft sponge padded seat and breathable mesh backrest give you a cool and comfy seating experience even during the hot weather. Curved backrest can reduce your back fatigue after long-time sitting. Adjustable seat height to your variable needs. Five wheels can be rotated and rolled in all directions, which is convenient for multitasking. Tilting design helps you recline for better relaxation after hard work. This durable and sturdy mesh chair is ready for your long-term use.<br><br><br>How to Dismantle Pneumatic Cylinder?<br>Step 1: Disassemble the wheels from the claw base.<br>Step 2: Stand on the claw base to make it stable, then hold the armrests and shake the chair leftward and rightward while lifting the seat up. Repeat 5-6 times until the pneumatic cylinder and the base come off the seat.<br>Step 3: Turn over the claw base. Use a hammer (preferably a rubber hammer) to tap on the center of the base to loosen and disassemble the air cylinder from the base.<br>NOTE: We recommend applying edible oil/engine oil/ inhibitor to the connection between the air cylinder and the claw base for lubricating.