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. Class 3 gas lift, durable, reliable and supports up to 300lbs. Rubber casters, rolling quietly and tested by 1000 miles rolling. 360 degree swivel and multi direction wheels, load capacity: 300-pound maximum weight capacity. Recline function. Between 90 to 180 degree. Rocking function: chair can rock back and forth when you adjust the knob beneath the seat. Size of back: 22.5 inch and 30.5 inch. Size of seat: 14.5 inch and 20.5 inch. Seat adjustable height: 17.3 to 21.5 inch.This gaming chair is suitable for you to play computer games, watch show, do the work and have a rest. It will make your space more modern and elegant. Color: Blue.