Fully Adjustable Office Chair: Customized chairs, featuring with an adjustable 2D headrest, backrest with 90° to 120° recline, and 3D adjustable armrests for multiple work postures at will and discover unparalleled comfort throughout the workday. Adaptable Lumbar Support: Our computer chair lumbar support system adjusts 1.18" forward & backward and 2.16" up & down to precisely match your height and body shape, providing tailored comfort and promoting optimal sitting posture. Supportive Mesh: The minimalist mesh backrest provides responsive support, promoting air flow without getting bogged down with sweat. All the accessories of our ergonomic office chair have passed the test of BIFMA and SGS, guarantee for personal safety. Comfy Desk Chair Seat: Adapting 3.14" thick high-density foam to desk chair seatdouble your comfort in daily work moreover high weight capacity 300 lbs for long-term durability. Wider seat provides a larger load-bearing area, enhancing overall sup