[Simple Assembling] The assembly of this gaming chair is incredibly simple. All the tools needed for do-it-yourself assembly are included with the office chair. [ERGONOMIC DESIGN] A sturdy metal frame that encourages a comfortable sitting position will keep you relaxed after extended gaming or work sessions. This chair's thickly padded seat and back elevate its level of comfort. [DUAL FUNCTION] With a 360° swivel, a reclining armrest, and a height-adjustable seat, the maximum weight is 250 kg. Ideal for people of all sizes [EXCELLENT MATERIAL] Additional support is provided by the smooth PU leather, cozy seat cushion, and detachable lumbar and headrest pillows. Excellent stability and mobility are provided by a sturdy base and smooth-rolling nylon casters.