【COMFORTABLE THICK CUSHION】The cushion and backrest of this rolling office chair are made of high-density foam cushion, which is not only comfortable but also has high resilience. The surface of the seat is covered by PU leather, and the vertical pattern design makes it possible to maintain air circulation and not stuffy sweat even after a long time sitting; 【FLEXIBLE DESIGN FOR SMALL SPACE】 The small low back office chair is designed to use a more flexible, 360 ° swivel rotatable task chair to move more freely; adjustable height computer chairs are suitable for more small spaces, such as bedrooms, study rooms, nail salons, vanity dressing rooms！ 【STURDY AND DURABLE OFFICE CHAIR】 This PU leather armless desk chair is made up of high-quality padded foam cushion, U-shaped lumbar support, sturdy base (maximum load capacity 250lbs) , and upgraded cylinders are certified by SGS, This office chair is BIFMA certified, and factory tested over 10,000 times to ensure your safety while sitting on our desk chair! 【HEIGHT ADJUSTABLE & 360° MOVEMENT】This PU leather computer desk chair with height adjustable function, you can customize the height (17.71"-21.45"), suitable for different heights of desks; This 360° swivel chair comes with smooth casters. This 360° swivel chair with smooth casters glides quietly and smoothly without harming the floor. 【QUICK AND EASY ASSEMBLY】We have prepared an installation video and installation manual for this office chair, as well as the accessories needed for installation; according to the instructions you can finish the installation in 5-10 minutes. If you encounter any questions, please feel free to contact us, we are very happy to provide you with satisfactory solutions!提炼关键词 分开写 1.COMFORTABLE THICK CUSHION 2.FLEXIBLE DESIGN FOR SMALL SPACE 3.STURDY AND DURABLE OFFICE CHAIR 4.HEIGHT ADJUSTABLE & 360° MOVEMENT