ACGAM High-Back Mesh Ergonomic Office Chair with 4D Lumbar Support,Office Desk Chair with Wheel, Adjustable Armrest & Headrest, Rolling Work...

Breathable Seat & CushionThis gaming office chair has a 20.1'' wide foam seat and padded armrest sized 4.1''W × 1.1''T. Breathable mesh back boosts airflow to cut heat buildup and ease sitting pressure during long work or gaming sessions. Fully Adjustable Ergonomic DesignBackrest height: 36.8''40.8''; adjustable arm height:25.4''29.1''. 100mm Class III gas lift delivers 18.5''22.24'' seat height with 3.74'' lift travel, paired with synchro-tilt multi-position recline. Heavy-Duty Stable FrameSupports up to 300 lbs with solid 350mm KD metal base and quiet nylon casters. 360° swivel lets you shift positions effortlessly for office and gaming use. Durable Premium MaterialsWearproof PVC leather covers; seat and back use breathable mesh + resilient foam. Grade-3 gas lift and reinforced base resist daily frequent adjustment and rolling. Full Accessories & Compact PackNet weight:31.53 lbs, gross weight:36.82 lbs. Product:43.9''-51.57''×27.95''×25.79''; box:28.7''×12.8''×25.2''. All hardware + setup guide included for simple assembly.