✿Extra Comfort - Desk chair using high-density model sponge in front of seat, and air mesh seat, more flexible. Chair with a high back design, rectangular ornament not only as a decoration, it can provide good lumbar support makes you feel comfortable. ✿Easy to Set UP - Office chair comes with all hardware & necessary tools. Follow the desk chair instruction, you'll found easy to assemble, and computer chair estimated assembly time in about 15-30mins. ✿Quality Assurance - All the accessories of our office chair have passed the professional test, which is a guarantee for your personal safety. The mesh chair can bear the weight of 250lbs. ✿Save Space - Office chair you can adjust the seat height, the armrest, the headrest height and free locked mechanism synchronic. And, you can pull the levers up for free mode, where you can tilt both the back and seat into the position you like then drop the levers to lock it there. ✿Ergonomic Design - The cushion of office chair, armrest accord with human body engineering design, let your body and mesh chair perfect fit, suit long time use, and new nylon base give you creative design! Office chair can satisfy all your daily needs. Ergonomically designed with highly ventilated mesh back, soft moderate air mesh will fit into your sitting position for a long time you won't feel tired. The bottom of the desk chair is equipped with a tension adjusting knob to provide a certain degree of tilt so that you can relax after work. The adjusting lever can help you adjust the height of the seat so that the chair can reach your ideal height.