️Ergonomic Office Chair: The backrest of this office chair is designed to be curved and perfectly conform to the shape of the person's spine, which helps to maintain a correct sitting posture in the case of sitting for long periods of time. In addition, this wide and firm lumbar support provides comfortable lumbar spine support and reduces back pain. Height Adjustable and Rocking Function: The height of this office chair can be adjusted from 17.5 inches to 21.5 inches, and the armrests of the office chair are designed to be 2.5 inches adjustable to meet different needs. In addition, a 15° reclining backrest and a 10° reclining seat provide a comfortable sitting experience. ️Breathable Mesh Seat: The backrest and seat of this desk chair are made of breathable mesh material. And the cushion of this office chair follows the curve of the hips, effectively disseminating pressure. In addition, the armrests are covered with soft premium PU to provide a refreshing touch. Flexible Movement: Supported by sturdy five-casters and high-quality gas lift, this office chair can hold up to 300 pounds. In addition, the wheels can rotate 360° for flexible and quiet movement in offices and reading rooms. Easy to Assemble: We provide detailed instructions and required accessories, and upload assembly videos to make the assembly process easier. This minimalist modern office chair blends in nicely for any occasion, whether it's a task chair in the office, a reading chair in the study, or a computer chair in the bedroom.