Ergonomic Office Chair, PU Leather High Back Executive Desk Chair, Adjustable Height Swivel Computer Chair, Black

【Ergonomic Design】: Contoured high back provides exceptional lumbar support and promotes proper posture during extended periods of sitting; ideal for work, gaming, or general use with dimensions of 25.6"L x 20.5"W back size 【Adjustable Comfort】: Customize your seating experience with adjustable height from 17.7" to 21.7" via a reliable class-three gas lift; tilt mechanism allows for rocking motion and personalized relaxation; seat size is 19.7" W x 17.7" D 【Premium PU Leather】: Upholstered in durable and easy-to-clean PU leather, offering a luxurious feel and a sleek, professional appearance; the diamond stitching adds a modern touch; weight capacity is 265 lbs 【360° Swivel & Mobility】: Enjoy effortless movement with the 360-degree swivel seat and smooth-rolling five wheels; designed for easy multitasking and navigating your workspace; includes durable nylon caster wheels 【Easy Assembly & Dimensions】: Includes a clear, step-by-step instruction manual for quick and hassle-free assembly; overall dimensions are 25.6" W x 28.3" D x 41.3"-45.3" H; perfect for home or office use