Selected Material:High Density shaping Foam,more comfortable,elasticity resilience and service life;1.8mm thick steel frame,more sturdy and stable;Pu Leather,skin friendly and wear-resisting. Upgraded Configuration:Class-3 gas lift verified by SGS,durable,reliable and supports up to 300lbs;Rubber casters,rolling quietly and tested by 1000 miles rolling. Dimension:Size of Back: 22.5"X30.5"(LXW),Size of Seat: 19.8"X20.5"(LXW),Seat adjustable height:17.3-21.5 inch. Multi-Function:360 Degree Swivel and Multi-direction Wheels,Load Capacity:300-pound maximum weight capacity.Recline function;Between 90 - 180 degree.Rocking function:chair can rock back and forth when you adjust the knob beneath the seat. Wide Usage: This Homall gaming chair is suitable for you to play computer games, watch TV, do the work and have a rest. It will make your space more modern and elegant.