Upgrade your workspace with this adjustable office chair designed to provide lasting comfort and dependable support throughout your workday. Combining ergonomic features with a modern design, this swivel desk chair is ideal for home offices, study rooms, conference spaces, reception areas, and professional workstations. The seat height adjusts smoothly from 18 inches to 21 inches using the convenient height adjustment lever, allowing you to find the ideal seating position for different desks and users. A built-in rocking function offers a reclining range from 90degree(s) to 135degree(s), while the easy-to-use control knob lets you customize the tilt angle for working, reading, or relaxing between tasks. The removable seat and back cushions are filled with supportive sponge and upholstered in a smooth Pvc surface that provides a comfortable seating experience while being easy to maintain. Secure hook-and-loop fasteners keep the cushions firmly in place during use and allow quick removal whenever needed. Designed with user comfort in mind, the ergonomic backrest follows the natural curve of the body, while the padded curved armrests provide additional support for your arms and shoulders. An adjustable lumbar support helps reduce pressure on the lower back and can be customized with 0.8 inches of depth adjustment and 2.8 inches of height adjustment for personalized comfort during extended sitting sessions. Built for strength and stability, this computer chair features a durable 5-claw metal base, a reliable gas lift, and a sturdy tray mechanism that together support up to 330 lbs. Five smooth-rolling casters allow effortless movement across your workspace, making it easy to transition between desks, cabinets, and meeting areas without lifting the chair. Finished in a classic black color with clean, contemporary lines, this ergonomic office chair blends seamlessly with a wide range of interior styles while delivering comfort, adjustability, and reliable performance for everyday use. Whether you're working from home, attending virtual meetings, studying, or managing daily office tasks, this height-adjustable swivel desk chair offers the support, flexibility, and functionality needed to stay comfortable and productive throughout the day.